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Natural Features Historical Markers

1079 markers matched your search criteria. The first 250 markers are listed. Next 829
City of Foley Camellia Walk Marker image, Click for more information
By Sandra Hughes, December 7, 2011
City of Foley Camellia Walk Marker
Alabama (Baldwin County), Foley — City of Foley Camellia Walk
The camellia, is often called the Queen of winter flowers, is the state flower of Alabama. Originally from the Orient, the camellia made its way to Europe in the 1600s, then to America and Australia in the 1700s. It now flourishes in the southern . . . — Map (db m50411) HM
Alabama (Blount County), Oneonta — Champion Mines
John Hanby came in 1817 and found a rich seam of brown iron ore. Named Champion in 1882 when Henry DeBardeleben and James Sloss bought land and brought L&N Railroad causing county seat to be moved from Blountsville to Oneonta in 1889. Most ore was . . . — Map (db m28362) HM
Alabama (Colbert County), Tuscumbia — Petrified Conifer Tree / Petrified Lycopod Tree Stump
Plaque A 85-90 Million Years Old Possibly a Bald Cypress from the Cretaceous Period or the Age of Dinosaurs Plaque B 325 Million Years Old A Member of the Giant Club Mosses from the early Coal Age — Map (db m29287) HM
Alabama (Jackson County), Woodville — Cathedral Caverns
. . . — Map (db m76233) HM
Alabama (Jefferson County), Clay — The Cahaba Heart River of Alabama
On Cahaba Mountain to the NW, springs form a fragile stream that grows as it carves through the steep, rocky terrain of Birmingham suburbs, flowing south on the Gulf Coastal Plain to the Alabama River, at the site of Alabama's first capital, . . . — Map (db m25110) HM
Alabama (Jefferson County), Pinson — Pinson, Alabama
Pinson, one of Alabama’s oldest communities, was settled by General Andrew Jackson’s soldiers in the early 1800s, after victory at Horseshoe Bend during the War of 1812. The community was originally known as Hagood’s Crossroads for settler Zachariah . . . — Map (db m88406) HM
Alabama (Lauderdale County), Florence — Deibert Park-dedicated May 25, 2000-
This park was donated to the people of Florence by Dr. Kirk R. and Lillian Cook Deibert who initially acquired this property in 1952. The acreage was once a part of a large ante-bellum plantation owned by Judge Sidney Cherry Posey. In 1875 his heirs . . . — Map (db m33086) HM
Alabama (Lauderdale County), Florence — Locust Dell Academy1834~1843
On this site Nicholas Marcellus Hentz conducted a girls school. Native of Metz, France, Hentz was a painter, entomologist, author, and was once a professor at University of North Alabama. Experimenting with silkworms, he planted groves of mulberry . . . — Map (db m84029) HM
Alabama (Lauderdale County), Florence — Prehistoric Mound(Probably Built Between 100 B.C and 400 A.D.)
This is the highest domiciliary mound in the Tennessee Valley. It was probably built between 100 B.C. and 400 A.D. by a prehistoric people of the ancient Woodland Culture. Such mounds served as bases for ceremonial temples or chief's houses. This . . . — Map (db m28457) HM
Alabama (Lauderdale County), Waterloo — Rock Spring
Rock Spring Nature Trail offers you an opportunity to explore a small natural spring as it bubbles forth from the ground. Small fish dart about a deep pool created as the stream wandered through rich bottomland soil and limestone rock. Vegetation . . . — Map (db m84703) HM
Alabama (Lawrence County), Courtland — The Town of Courtland / Early Settlers1819
Side A Federal lands in this area were first sold in 1818 and quickly purchased by settlers and speculators. A group of investors calling themselves the “Courtland Land Company” and consisting of William H. Whitaker, James M. . . . — Map (db m28989) HM
Alabama (Madison County), Huntsville — Burritt Museum
Situated on 167 acres of some of the most scenic land in North Alabama, the museum and its grounds contain items of local and national interest. This property was willed to the City of Huntsville in 1955 by Dr. William Henry Burritt . . . — Map (db m27876) HM
Alabama (Madison County), Huntsville — Old Town Historic District
Designated by the City of Huntsville, Alabama on December 12, 1974 as a Huntsville historic district, it contains houses dating from 1828 onward with the majority dating from 1880 to 1929. Approximate boundaries: East Clinton Avenue north to . . . — Map (db m30381) HM
Alabama (Marengo County), Demopolis — White Bluff
Composed of limestone or “Selma chalk” which abounds in fossils. Called “Ecor Blanc” by eighteenth-century French explorers and cartographers. Named “Chickasaw Gallery” because early Indian inhabitants . . . — Map (db m38001) HM
Alabama (Talladega County), Childersburg — DeSoto Caverns
Named for the famous Spanish explorer who traveled through this area in 1540. Over its rich history it offered shelter for native Indians for centuries (a 2,000-year-old Woodland Period burial was excavated by archeologists in the mid-1960s), . . . — Map (db m45034) HM
Alabama (Tuscaloosa County), Tuscaloosa — Burns’ Shoals
The remains of Burns' Shoals now lie nearly 40 feet underwater. This rock outcropping was the first of the shoals known as the "Falls of Tuscaloosa" and represents the "Fall Line" or contact point of the Coastal Plain and the Appalachian Plateau, . . . — Map (db m28904) HM
Alabama (Tuscaloosa County), Tuscaloosa — Marr’s Spring
Part of Marr’s Field, on farmland owned by William Marr, this spring was a major factor in the selection of this site for the University of Alabama campus in 1827. From its opening in 1831 well into the 20th century, the institution relied upon . . . — Map (db m40388) HM
Arizona (Apache County), Chambers — Badlands
Geologists call eroded landscapes such as the Painted Desert "badlands." Summer thunderstorms and winter snowmelt carve the shale and sandstone into mazes of sharp ridges, steep hillsides, and deep V-shaped gullies. Practically waterless, badlands . . . — Map (db m72923) HM
Arizona (Apache County), Chambers — Painted Desert / Finding Fossils
The colorful mesas, buttes, and badlands before you compose a natural work of art--the Painted Desert. Wind and running water cut these features from the Chinle Formation deposited over 200 million years ago when this area was a vast inland . . . — Map (db m72925) HM
Arizona (Apache County), Window Rock — In Remembrance of Our Warriors / Navajo Warrior Memorial
In Remembrance of Our Warriors Who Made the Ultimate Sacrifice and/or Missing in Action, They will never be forgotten and to us they will always be young in our thoughts. Nelson Lewis • Walter Nelson • Willie A. Notah • Edie . . . — Map (db m27911) HM
Arizona (Cochise County), Bowie — 086-352 — Old Fort BowieGuardian of Apache Pass
Established 1862 following the Battle of Apache Pass, largest conflict in Arizona Indian Wars. Massed Apaches under Cochise and Mangas Coloradas were routed by howitzers fired by California Volunteers attacked in the pass. Fort Bowie overlooked only . . . — Map (db m6994) HM
Arizona (Coconino County), Flagstaff — Telephone Exchange1909
This building was constructed in 1909 by John W. Weatherford, the man who earlier built the adjacent Weatherford Hotel. It was the headquarters for the Arizona Overland Telephone Company, housing its offices and physical plant. Construction . . . — Map (db m59966) HM
Arizona (Coconino County), Flagstaff — The Citadel / Natural Features
The Citadel It was a remarkable achievement, to use primitive mortar and local stones to build the walls above you straight up from the edge of the top of the rock. “The Citadel” is the modern name given to this ruin because . . . — Map (db m60087) HM
Arizona (Coconino County), Sunset Crater Volcano National Monument — As Powerful as a Volcano
Cinder cones erode easily and scars are slow to heal. In 1973, Sunset Crater was closed to climbing when 2-foot-wide trails eroded to 60-foot-wide swaths. Tons of cinder were shoveled back up the cone to fill hip-deep trenches. Notice the scars . . . — Map (db m41676) HM
Arizona (Coconino County), Sunset Crater Volcano National Monument — Life and Landscape Transformed
The landscape before you has existed on Earth for less than 1,000 years, less time than Romanesque architecture or paper money. Consequently, this environment has unique scientific value. Geologists come here to study weathering processes and . . . — Map (db m41691) HM
Arizona (Coconino County), Sunset Crater Volcano National Monument — The Birth of a Mountain
About 1,000 years ago, something spectacular happened in the lives of local Native peoples. Perhaps they first observed a change in animal behavior. Maybe they noticed the ground warming. Then the tremors increased in number and intensity. By the . . . — Map (db m41689) HM
Arizona (Navajo County), Holbrook — A Gap in the Geologic Record
The black basalt that caps the cliffs before you stands in stark contrast to the colorful Chinle Formation visible throughout the Painted Desert. Below this layer of basalt, a horizontal line cuts across the face of the mesa and separates rocks . . . — Map (db m68901) HM
Arizona (Navajo County), Holbrook — Desert Vistas
From Pintado Point, vistas of remarkable clarity extend far beyond boundaries because the air quality in the surrounding Petrified Forest is among the purest in the continental United States. At times, the San Francisco Peaks, 120 miles (193 km) . . . — Map (db m68903) HM
Arizona (Navajo County), Holbrook — From Wood to Stone
Approximately 225 million years ago, during the Triassic Period, a floodplain existed here – littered with fallen trees. Periodic flooding buried the logs beneath layers of silt. Over time, silica-laden waters filtered through these deposits . . . — Map (db m68870) HM
Arizona (Navajo County), Holbrook — Jasper Forest
The petrified wood strewn in the valley below was once encased in the bluffs around you. When erosional forces removed the softer rocks, the petrified wood tumbled and accumulated on the valley floor. Once filled with fallen logs, Jasper Forest was . . . — Map (db m68871) HM
Arizona (Navajo County), Holbrook — Painted Desert Community Complex Historic District
. . . — Map (db m36387) HM
Arizona (Navajo County), Holbrook — Pioneers of Paleontology
Petrified Forest is a laboratory where scientists study not only the fossil record, but the records of earlier discoveries by naturalists and paleontologists. Interest in the area’s fossils goes back to 1853, when a U.S. Army expedition . . . — Map (db m68873) HM
Arizona (Navajo County), Holbrook — The Painted Desert
The Painted Desert stretches before you as an outdoor museum of fossilized plants and animals. Its striking colors emanate from the Chinle Formation of the Late Triassic, which has been eroded by the Little Colorado River drainage system. An . . . — Map (db m68896) HM
Arizona (Navajo County), Holbrook — Triassic Landscape
The dry plateau lands of this region today are far different from the tree-littered floodplains of 225 million years ago during the geologic period called the Triassic. Imagine a forested Triassic land where crocodile-like phytosaurs inhabited the . . . — Map (db m68868) HM
Arizona (Navajo County), Shonto — Upside-down MountainNavajo National Monument
Hidden away in Tsegi Canyon’s wilderness of bare rock, sand, and sparse vegetation are surprising pockets of luxuriant growth. Betatakin Canyon—home to a village of prehistoric cliff-dwellings farmers—is one of these oases. Fir Canyon, . . . — Map (db m71514) HM
Arizona (Navajo County), Winslow — Sunset Crossing
This crossing, first noted early in the 1850s in journals and maps of explorers along the 35th parallel, is the only convergence of major travel routes on the Little Colorado River. It lies on the trail used by Mormon immigrants journeying from Utah . . . — Map (db m32722) HM
Arizona (Pima County), Tucson — Sentinel Peak
Used as a lookout and for signal fires by the Indians prior to and since 1692 and later by early settlers — Map (db m38401) HM
Arizona (Pima County), Vail — Colossal Cave Mountain Park
This Property has been placed on the National Register of Historic Places By the United States Department of the Interior Colossal Cave Mountain Park 1934 — Map (db m30613) HM
Arkansas (Carroll County), Eureka Springs — Calif SpringSouth Main

Calif Spring was originally called Table Rock Spring, named for the rock formation above the spring area. This area was set aside as a spring reservation in 1886 by City Ordinance. S. L. Calif established a residence and general store next to . . . — Map (db m90703) HM

Arkansas (Clay County), St. Francis — Chalk Bluff
Named for the white clay which resembles chalk, this magnificent bluff is one of the most important historical landmarks in Arkansas. At this point the St. Francis River cuts through Crowley's Ridge from west to east and forms the boundary between . . . — Map (db m18136) HM
Arkansas (Jefferson County), Pine Bluff — Bayou Bartholomew
Beginning 10 miles northwest of Pine Bluff, this storied bayou flows 300 miles through 6 Arkansas counties and 2 Louisiana parishes before emptying into the Ouachita River in north Louisiana. Indian mounds dotted its banks. Immigrants travelled it . . . — Map (db m30581) HM
California (Alameda County), Berkeley — Indian RockBerkeley History
Outcroppings of weathered rock are a prominent feature of the Berkeley Hills, providing evidence of this area’s complex geological past. Composed of Northbrae rhyolite, Indian Rock is an ancient volcanic remnant. Native Ohlone communities gathered . . . — Map (db m53852) HM
California (Alameda County), Berkeley — Live Oak Park1914 — Berkeley History
Live Oak Park was created in 1914 when the City of Berkeley purchased four acres from landowners R.S. Penniman and Michael O’Toole. Mr. Penniman’s brown shingle house served as the park clubhouse and also, from 1916-1936, as Berkeley’s North Branch . . . — Map (db m54190) HM
California (Alameda County), Berkeley — Thousand Oaks Neighborhood and UrnsCirca 1909-1910 — Mark Daniels, Landscape Engineer
Berkeley History In the early 1900s, the natural beauty of this undeveloped district, with dramatic rock outcroppings and ancient oaks made it a favorite destination for picnickers and hikers. After a campaign to make the area a city park . . . — Map (db m53848) HM
California (Alameda County), Piedmont — Sulphur Springs GrottoThe Healing Powers of Mineral Springs
The first recorded visitor to the sulphur springs grotto is Isaac Holmes, a retired U.S. Senator from South Carolina, who reportedly installed a bathtub in Bushy Dell canyon in the early 1860s in order to take alfresco baths for his rheumatism. . . . — Map (db m72378) HM
California (Alpine County), Kirkwood — Caples Lake
In 1849 Dr. James Caples passed through here on his way to California’s gold country. After a brief stay in Old Hangtown (Placerville) Caples remembered the lake and returned here with his family to establish a way station that served weary . . . — Map (db m11048) HM
California (Alpine County), Kirkwood — Summer Retreat
In 1849 Mary Jane Walker Caples, along with her brother, husband James, and baby daughter Isabella, traveled overland by wagon to the gold fields of California. The Caples went to “Hangtown,” (Placerville,CA) to seek their fortune. James . . . — Map (db m44987) HM
California (Alpine County), Markleeville — Beautiful Hot Springs Valleydraws people now as it has for thousands of years
Summer after summer the Washoe Indian people visited the valley. Eventually their idyllic retreat was discovered. During the winter of 1844 Captain John Fremont may have seen this place during his crossing of the Sierra. Fremont’s diary of his . . . — Map (db m11001) HM
California (Alpine County), Markleeville — Grover Hot Springs
Telltale signs of geologic activity surround Grover Hot Springs State Park. Bold granite peaks to the northwest are the work of immense mountain building forces. Old lava flows cover hundreds of square miles to the east, giving the Markleeville area . . . — Map (db m13239) HM
California (Amador County), Volcano — Volcano Masonic Cave
In Memory of the Bryant Brothers Clemens E. Bryant, Thomas L. Bryant, Roy Bryant and Walter F. Bryant Whose surviving relatives deeded this property to Volcano Lodge No. 56 F. & A. M. on June 20, 1962. Our pioneer . . . — Map (db m15824) HM
California (Calaveras County), Murphys — Mercer Caverns
Discovered September 1, 1885, by Walter J. Mercer. Resting at this site and noticing movement of grass near a small hole. Enlarging the opening, he ascended into extensive caverns containing varieties of fantastic crystalline formations. The public . . . — Map (db m16017) HM
California (Contra Costa County), Clayton — History of Marsh Creek Springs
Founded in 1927 by Gerald (Jerry) Gill and family, the park consisted of four picnic sections, over forty acres, four baseball diamonds, two swimming pools, a wading pool for children, large dance hall and two snack bars. At one time the grounds . . . — Map (db m94663) HM
California (Contra Costa County), Clayton — Old Marsh Creek Springs
This area in the mid 1850s, was a known hideout for legendary bandit Joaquin Murrieta, who worked as a vaquero for John Marsh on his rancho just east of here. It was also frequented by John "Grizzly" Adams, famed California mountain man. In 1927 . . . — Map (db m94657) HM
California (Contra Costa County), El Cerrito — Cerrito Creek
. . . — Map (db m94104) HM
California (Contra Costa County), El Cerrito — The Little Hill
El Cerrito, Spanish for "the little hill", is named for the hill to the southwest - now called Albany Hill. Like Brooks Island, the hills north Port Richmond, and the hills at China Camp across the bay, Albany Hill is a part of a range older than . . . — Map (db m94105) HM
California (Fresno County), Sanger — 25 — Kings River
Its waters made possible the irrigation of a million fertile acres, despite a 39 year battle over water rights. From 1882 forward, 150 lawsuits were filed and early irrigators often used armed force to open headgates to water their crops. L. A. . . . — Map (db m27996) HM
California (Humboldt County), Fortuna — The Eel River Starts on Your StreetEel River: Linking Human and Coastal Environments
The Eel, California’s third largest river, flows 800 miles before emptying into the Pacific Ocean. Through ongoing monitoring, public and private entities are working to preserve the integrity of this designated “Wild and Scenic River.” . . . — Map (db m71985) HM
California (Los Angeles County), Long Beach — Evolution of a skylineLong Beach's history can be seen in its rooftops
In the early 1990s, Long Beach was world-famous as a visitor destination. Hotels and dance halls, trolleys and roller coasters lured tourist to the city. The mild climate and pristine beaches beckoned people to the water's edge. With daily train . . . — Map (db m71543) HM
California (Los Angeles County), Los Angeles — Chester Stock, Ph.D. - Observation PitHancock Park — Rancho La Brea
Panel 1: Chester Stock, Ph.D. January 28, 1892 - December 7, 1950 Paleontalogist Chief curator of science - Los Angeles County Museum Chairman of the Division of Geological Sciences California Institute of Technology who, encouraged . . . — Map (db m51436) HM
California (Los Angeles County), Los Angeles — 247 — Hancock ParkLa Brea Pits
Presented to The Citizens of Los Angeles County In December 1916 by Captain Allan Hancock With a request that the scientific features be preserved First historic reference to the tar pools Recorded in the diary of . . . — Map (db m59013) HM
California (Los Angeles County), Palmdale — The San Andreas Fault
One of the most outstanding geological feautures in California, extending for over 650 miles from Point Arena, North of San Francisco, to south of San Corconio Pass. Between twenty and thirty miles deep and more than a mile wide in some locations. . . . — Map (db m55474) HM
California (Los Angeles County), San Pedro — Portuguese Bend
The Palos Verdes Peninsula is an up lifted block of land forced out of the sea at a rate of about 0.4 millimeters per year over the last 2 million years. Once an island, the peninsula is encircled by thirteen wave cut terraces. These broad "benches" . . . — Map (db m42124) HM
California (Marin County), Point Reyes Station — Sea Life in These WatersGulf of the Farallones & Cordell Band — National Marine Sanctuaries
Some of the world’s richest waters exist right off California’s coast. An explosion of life occurs here due to a combination of the sun’s energy, wind, ocean currents, and contours of the sea floor. Microscopic phytoplankton form the base of the . . . — Map (db m63362) HM
California (Mariposa County), Bear Valley — May Rock
Originally named Tower Rock, May Rock is the largest outcropping of quartz along the Mother Lode. This 82 foot high formation contains no gold ore. Most gold ore within quartz is at greater depths in the earth. It was part of Colonel John C. . . . — Map (db m46375) HM
California (Mariposa County), Wawona — 4 — Yosemite Valley's First Visit by White Men
From the crest of the ridge of a few hundred feet behind this point members of the Mariposa Battalion under the leadership of Major James D. Savage looked into Yosemite Valley on March 27, 1851. Alarmed by the encroaching tide of California Gold . . . — Map (db m47417) HM
California (Mariposa County), Yosemite National Park — A Varied ViewTunnel View - Yosemite National Park
Ever-Changing Scene In Yosemite, you may never witness the same scene twice. This grand show is eternal. It is always sunrise, somewhere; the dew is never all dried at once; a shower is forever falling; vapor ever rising. Eternal . . . — Map (db m63596) HM
California (Mariposa County), Yosemite National Park — A View Through TimeTunnel View - Yosemite National Park
A Burning Tradition Miwok people, who called themselves Ahwahneechee, lived in Yosemite Valley for thousands of years. Their traditional practice of regularly burning the meadows and oak woodlands of the Valley contributed to the open . . . — Map (db m63597) HM
California (Mariposa County), Yosemite National Park — Disappearing Waterfalls
At certain times of the year some of the Valley’s waterfalls disappear. Bridalveil keeps flowing even in late summer, when Yosemite Falls begins to dry up. Above Yosemite Falls the terrain is largely bare granite; runoff is rapid. Bridalveil . . . — Map (db m63589) HM
California (Mariposa County), Yosemite National Park — Glacier Point Hotel
You are standing on the site of two famous Yosemite landmarks: McCauley’s Mountain House (1872-1969) and the Glacier Point Hotel (1917-1969). Both structures were built from trees cut down near this site. They both burned to the ground on the . . . — Map (db m65530) HM
California (Mariposa County), Yosemite National Park — Reawakening the Meadow
Where the Old Village once stood, little evidence remains. In its heyday, thousands of tourists arrived on horseback, in wagons, and in early Model T Fords. They danced, bathed, and slept here. Today this is hard to imagine, as the meadow seems so . . . — Map (db m65527) HM
California (Mariposa County), Yosemite National Park — Welcome to Glacier Point
People have been coming to Glacier Point for generations to see one of the most spectacular views on earth. For a panoramic vista of Yosemite Valley, walk along the trail to Glacier Point, located ¼ mile from where you’re now standing. Along the . . . — Map (db m63610) HM
California (Mono County), Mammoth Lakes — Convict Lake
Convict Lake and Creek are so named as the result of an encounter here September 17, 1871, between Robert Morrison, Benton Merchant and member of a posse of citizens, and three convicts who had escaped from the Carson City, Nevada, State . . . — Map (db m19879) HM
California (Mono County), Mammoth Lakes — Crowley Lake
Crowley Lake, widely known for its trout fishing, has yielded more than 40 tons of fish the first week of fishing season. It was named for Father Crowley, a beloved Catholic priest. who traveled this area extensively. The White Mountain Range, . . . — Map (db m72570) HM
California (Mono County), Mammoth Lakes — Owens Valley
extended from Bishop south for 100 miles. The valley was inhabited by Indians for many years. Joseph Walker in 1833 was the first white man to discover the valley. In 1845 John C. Fremont named the valley, a river and a lake, after Richard Owens, an . . . — Map (db m50058) HM
California (Mono County), Mammoth Lakes — Preserving Special Places
Devils Postpile stands not only as an unusual geologic wonder but as a monument to the visionary efforts of a dedicated conservationist. In 1910, under U.S. Forest Service management, engineer Walter L. Huber received an application from mining . . . — Map (db m63616) HM
California (Monterey County), Carmel — Lone CypressPerched over the Pacific for Hundreds of Years
Even though Monterey cypress trees prefer this area's rugged bare granite headlands, the Lone Cypress is a testament to the hardiness of these trees. It has withstood Pacific storms and winds for roughly 250 years. Fences and cables now offer added . . . — Map (db m8476) HM
California (Monterey County), Marina — A Coastal Attack the Army Couldn’t StopFort Ord Dunes State Park
Soldiers once guarded this shoreline against sea-borne attack, but one force proved too powerful to stop. Coastal erosion, the wearing away of these bluffs and beaches by ocean waves, has been steadily moving the coastline inland here since sea . . . — Map (db m68883) HM
California (Monterey County), Pacific Grove — Balance Lost and Found AgainAsilomar Conference Center
Decades of logging, grazing, recreation, and foot traffic brought Asilomar's dune ecosystem to the brink of extinction. When the Young Women's Christian Association (YWCA) established the Asilomar summer camp grounds in 1913, the dunes became a . . . — Map (db m63773) HM
California (Nevada County), Norden — 27 — Donner Summit Overlook
History “I don’t believe I have adequate words to describe the real beauty of Donner Pass. As we stood looking down I had a floating sensation… I lost all fear as I looked at one of the most beautiful blue lakes (Donner Lake) I have . . . — Map (db m81894) HM
California (Orange County), North Tustin — Red Hill
In early descriptions it was known as Cerrito De Las Ranas, meaning the Hill of the Frogs. In the 1890s this hill became the scene of mining excitement. Its soil composition, very red in color, had caused early American settlers to name it Red Hill. . . . — Map (db m51966) HM
California (Orange County), North Tustin — 203 — Red Hill
A promontory which served as a landmark for early travelers. It was called "Katuktu" by the Indians. — Map (db m52087) HM
California (Sacramento County), Gold River — The Treasured American River
The river before you is not the same river that flowed through here 200 years ago when the Nisenan Indians caught salmon and collected acorns along its bank. The river has been mined, dammed and surrounded by our cities, yet it still supports . . . — Map (db m15836) HM
California (Sacramento County), Rancho Cordova — Vernal Pool GrasslandMather Vernal Pools
When rain falls on a vernal pool grassland, some water sinks into the ground and the rest flows into streams or into depressions in the landscape. The water cannot move deeper into the ground in a vernal pool grassland because a hardpan blocks its . . . — Map (db m52708) HM
California (San Benito County), Paicines — Benitoite
Was discovered on February 22, 1907 by James Marshall Couch while prospecting for quicksilver on a fifty dollar grubstake for shares from R.W. Dallas and Tom Sanders. On July 30, 1907 mineralogy Professor George D. Louderback identified it as a new . . . — Map (db m63910) HM
California (San Benito County), Paicines — The Coast Range: an ecological meeting place
Ecology is all about how all things around us interact and affect each other, from rocks to plants to animals. Here is a place rich with different ecological interactions. How many can you see? Millions of years ago, most of California was under . . . — Map (db m71565) HM
California (San Benito County), San Juan Bautista — The San Andreas Fault Exhibit & El Camino Real Earthquake Walk
In Celebration of the U.S.Geological Survey's Centennial 1879 - 1979 Dedicated July 4, 1979 by SAN JUAN BAUTISTA CHAMBER OF COMMERCE In Cooperation With Old Mission San Juan Bautista-Diocese of . . . — Map (db m15340) HM
California (San Bernardino County), Amboy — 92 — Amboy CraterNational Natural Landmark
Amboy Crater, formed of ash and cinders, is 250 feet high and 1500 feet in diameter. The crater is in one of the youngest volcanic fields in the United States. Six distinct periods of eruptions created the resulting nested group of volcanic cinder . . . — Map (db m78561) HM
California (San Bernardino County), Amboy — The Story of Route 66
[ Six panels are mounted on a half-moon base which tell The Story of Route 66 ]. Reading from left to right: [ Panel 1: ] The Story of Route 66 Commissioned in 1926 and soon dubbed "The Mother Road," Route 66 . . . — Map (db m33446) HM
California (San Bernardino County), San Bernardino — 977 — The Arrowhead Landmark
Located in the foothills of the San Bernardino Mountains directly above the City of San Bernardino, the Arrowhead Landmark can be seen for miles around. This important landmark has for centuries been a symbol of the San Bernardino Valley to the . . . — Map (db m51028) HM
California (San Bernardino County), Trona — Welcome to the Trona Pinnacles... a National Natural Landmark
Rising from the bottom of what was once an ancient lakebed, the Trona Pinnacles represent one of the most unique geologic landscapes in the California Desert. Over 500 of these tufa or calcium carbonate spires are spread out over a 14 square mile . . . — Map (db m50221) HM
California (San Francisco City and County), San Francisco — 20,000 Years Ago
San Francisco was an ancient river valley were creatures who grazed and browsed and stalked their prey, left their bones. (text on the horizontal surface) 20,000 years ago you could have walked to the Farallon Islands... . . . — Map (db m92829) HM
California (San Francisco City and County), San Francisco — Historic Shipwrecks - Lost at the Golden Gate
Swift tides, treacherous rocks, dense fog, and a narrow harbor entrance have always made San Francisco’s coast and port difficult to navigate. Over 300 known vessels have failed to make the passage and sank in the cold, treacherous waters. One . . . — Map (db m48638) HM
California (San Francisco City and County), San Francisco — Mint HillA Trip Through Local History — Clyde Wahrhaftig
In 1936 almost half of Mint Hill was removed to create a flat base for the Mint. In 1947 Duboce Avenue east of the Sunset Tunnel was crowded with automobiles as shoppers thronged to the farmers’ market. The area near Market and Church . . . — Map (db m72658) HM
California (San Francisco City and County), San Francisco — San Francisco Gold Rush Shoreline
The shore line of San Francisco Bay reached a point twenty-five feet northeasterly from this spot at the time gold was discovered by James W. Marshall at Coloma, California, January 24, 1848. Map of old water line shown on tablet on opposite . . . — Map (db m71806) HM
California (San Francisco City and County), San Francisco — Southbeach Shoreline – 1852
In 1852 you would have been standing on a bluff overlooking the narrow beach just below that followed the approximate line of King Street. First accurately charted by the U.S. Coast Survey topographical engineers in 1852, the shoreline was named . . . — Map (db m72544) HM
California (San Luis Obispo County), Morro Bay — 821 — Morro Rock
An important mariner's landfall for over 300 years, chronicled in the diaries of Portola, Fr. Crespi and Costanso in 1769 when they camped near this area on their trek to find Monterey. Sometimes called the "Gibraltar of the Pacific". It is the last . . . — Map (db m24795) HM
California (San Mateo County), Daly City — If it's Summer, Bring a SweaterDaly City summers are virtually rain-free, but don't expect sunny skies.
Daly City is usually blanketed with heavy fog and swept by brisk sea breezes from mid-May to mid-September. But while Daly City shivers, the summer fog and sea breezes provide natural air conditioning for the rest of the Bay Area. The breeze . . . — Map (db m52114) HM
California (San Mateo County), Daly City — The Ground Beneath Your Feet
Here at Thornton Beach, the ground is not as solid as it seems. The ground itself is made up of a semi-consolidate sedimentary rock from here to Mussel Rock. It doesn't hold together well, which makes the coastline very unstable. Constant . . . — Map (db m52113) HM
California (San Mateo County), Milbrae — The San Andreas Fault
The San Andreas Fault is the largest earthquake fault in North America. It passes through this point and alongside the tip of the small peninsula straight ahead. In this area, during the 1906 San Francisco earthquake, the west side of the fault . . . — Map (db m17165) HM
California (Santa Clara County), Los Gatos — Lexington ReservoirJames J. Lenihan Dam
Watershed: Guadalupe River Capacity: 6.5 billion gallons Depth: 130 feet Length: 2.5 miles Built: 1952 Lexington Reservoir, named for the historic 1850's town which once stood on the valley's floor, is a significant . . . — Map (db m55147) HM
California (Santa Clara County), San Jose — Historic Alum Rock Park
Founded in 1872 and known as the reservation, Alum Rock Park is the oldest municipal park in California. It was named for a large rock formation believed to contain alum. Even after it was discovered to have been incorrectly identified, the name . . . — Map (db m92718) HM
California (Santa Clara County), San Jose — Mineral Springs Grotto
The mineral springs located in this area have played an important role in the history and development of the park. Between 1891 and 1902, the Parks Commission began developing the park, highlighting the springs. During this period, over 20 different . . . — Map (db m63781) HM
California (Shasta County), Burney — Burney Falls
Burney Falls has been dedicated a National Natural Landmark. This site possesses exceptional value as an illustration of the nation's natural heritage and contributes to a better understanding of man's environment. — Map (db m546) HM
California (Shasta County), Shingletown — Bumpass’s HellKendall Vanhook Bumpass
Our guide [Mr. K.V. Bumpass,] after cautioning us to be careful where we stepped, that the surface was treacherous, suddenly concluded with Virgil that the “descent to Hell was easy” for stepping upon a slight inequality in the ground . . . — Map (db m58148) HM
California (Siskiyou County), Dunsmuir — Upper Soda Springs
Campsite of Indians and Hudson's Bay trappers. Popular resort on the California-Oregon Trail, 1857-1920 — Map (db m89120) HM
California (Siskiyou County), Mt. Shasta — Mount Shasta
Administered by the Forest Service, United States Department of Agriculture has been designated a Registered Natural Landmark This site possesses exceptional value as an illustration of the nation's natural heritage and contributes to a . . . — Map (db m89118) HM
California (Siskiyou County), Tule Lake — Petroglyph Point
For thousands of years, the hill rising in front of you was an island. Ancient Lake Modoc lapped against its base, scouring cliffs. Later, Native Americans canoed to these cliffs to carve symbols in the soft volcanic tuff, and Modocs still tell of . . . — Map (db m13736) HM
California (Siskiyou County), Tule Lake — Shore of Tule Lake
This was the shoreline of Tule Lake in 1872-73. The Modoc Indians occupying the Stronghold obtained water at this point. Once nearly 100,000 acres, the lake was drained between 1912 and 1958 to make fertile land available for homesteads. — Map (db m87914) HM
California (Siskiyou County), Weed — Mount Shasta
Dominating the landscape, Mt. Shasta can be seen for 100 miles from certain points drawing hikers, skiers and travelers. Mt. Shasta rises 11,000 fro the base to the summit for a total elevation of 14,162’ above sea level, one of the nation’s largest . . . — Map (db m69866) HM
California (Trinity County), Douglas City — Reading’s Bar
Major Pierson B. Reading discovered gold on this bar behind this monument in July, 1848. After crossing the Trinity Divide from the North Fork of Cottonwood Creek. His party of three whites, close friend Delaware Indian scout Tom Hill, and sixty . . . — Map (db m55999) HM
California (Trinity County), Weaverville — Weaverville Basin Gold Discovery Site
In the bend of Rich Gulch near its junction with Ash Hollow five miners worked the winter of 1849-50, with the use of a log hollowed out to make a rocker. The rich pocket yielded five pounds of gold per day. The gulches in this district proved to . . . — Map (db m56111) HM
California (Tuolumne County), Groveland — 5-1975 — Big Gap Flume
In 1859 a wooden suspension flume 2200’ long was constructed across this valley by G.W. Holt and August Conrad as a link in the Golden Rock Ditch system which conveyed the water of the South Fork of the Tuolumne River to the mining areas of . . . — Map (db m53274) HM
California (Tuolumne County), Groveland — Trails and Waterfalls
Within this 459-square-mile Hetch Hetchy watershed are 287 miles of trails, including a portion of the Pacific Crest Trail. They offer views of an abundance of flora and fauna, along with breathtaking scenery. Upstream from the dam to your . . . — Map (db m1943) HM
California (Tuolumne County), Groveland — Water Quality at Hetch Hetchy
The Tuolumne River supplies 85% of the water for 2.4 million people. It originates from pristine spring snowmelt as far upstream as Mt. Lyell at an elevation of 13,114 feet. The City and County of San Francisco protects the resources entrusted . . . — Map (db m1942) HM
California (Tuolumne County), Jamestown — 431 — Mark Twain Bret Harte TrailJamestown (Also Called Jimtown)
Known as gateway of Mother Lode and to southern mines, gold first discovered in Tuolumne County west of this point at Woods Creek by James Woods shortly before town was founded by Col. George James, August 8, 1848. Large quantities of gold recovered . . . — Map (db m2304) HM
Colorado (Alamosa County), Mosca — "Totally Unique and Unexpected"Park Visitor
Welcome to the high elevation desert that is Great Sand Dunes! Does this landscape strike you as amazing, bizarre or totally out of place. If so, you’re not alone. For many, the unexpected combination of massive dunes surrounded by alpine peaks and . . . — Map (db m71050) HM
Colorado (Alamosa County), Mosca — A Landmark for People
“We can see the Dunes and the Crestone Needles from all over our ranch. When we are lost, that’s what we navigate by.” --local rancher Whether traveling on foot, by horseback, Model A, or the . . . — Map (db m71051) HM
Colorado (Alamosa County), Mosca — Sangre de Cristo EcosystemGreat Sand Dunes National Park and Preserve
Different Life Zones Exist in the Mountains Imagine climbing the mountain in front of you. You might notice it gets cooler as you ascend. As the temperature drops, moisture in the air condenses, precipitation increases, and creates different . . . — Map (db m71056) HM
Colorado (Alamosa County), Mosca — Stepping into WildernessGreat Sand Dunes National Park and Preserve
You are about to step into the Great Sand Dunes Wilderness. Its mood changes with the seasons, from the spacious solitude of winter, to spring and summer fun and play. Whatever the season of your visit, this unexpected wilderness offers . . . — Map (db m71057) HM
Colorado (Alamosa County), Mosca — The Mountain Barrier
Mountains and passes were important in the formation of the sand dunes. You are looking at the Sangre de Cristo Mountains. Prevailing southwesterly winds carrying sand across the San Luis Valley were blocked by the mountains. As the . . . — Map (db m71055) HM
Colorado (Archuleta County), Pagosa Springs — Pagosa Springs
Pagosa Springs has a rich history, beginning with the Anasazi Indians. Later the Utes, Navajos and Apaches inhabited this beautiful corner of the Southwest. They also visited the great “Pagosah” hot springs which they believed had . . . — Map (db m27527) HM
Colorado (Douglas County), Castle Rock — The Rock
A geologic phenomenon known as a “glowing avalanche” formed Castle Rock and the other buttes of Douglas County 36.7 million years ago. A volcanic eruption near Mount Princeton, about 95 miles southwest of here, spewed a frothy, gleaming . . . — Map (db m46142) HM
Colorado (Douglas County), Larkspur — Southwest Rises The Summit of Pikes Peak
This mountain, 14,110 feet above the sea and the most celebrated peak in America, is named for the explorer, Capt. Zubulon M. Pike, who saw it first in 1806. He attempted to climb it, failed and reported it unclimbable. Ascended in 1820 by Dr. Edwin . . . — Map (db m4846) HM
Colorado (El Paso County), Cascade — The Continental Divide
The Rocky Mountains are the longest chain of mountains in the world. They divide the United States watershed between the Atlantic and Pacific Oceans. Colorado has 53 peaks over 14,000 feet. One inch on the Horizon equals about 38 miles. — Map (db m4838) HM
Colorado (El Paso County), Colorado Springs — A Look From The Top
Pikes Peak You are at 13,380 feet, 4,078 meters Feeling Spacey? In the United States you can not get much closer to outer space than this! Are you dizzy and short of breath? No wonder, you are 2.5 miles (4 kilometers) above sea level! There is 40% . . . — Map (db m45815) HM
Colorado (El Paso County), Colorado Springs — Garden of the Gods Park
The beauty of Garden of the Gods Park, with its dramatic red rock formations framing Pikes Peak, serves as a magnificent eastern gateway to Colorado’s Rocky Mountains. The park’s towering red sandstone rocks have long been recognized as a landmark. . . . — Map (db m45983) HM
Colorado (El Paso County), Colorado Springs — Pike's Peak
Has been designated a Registered National Historic Landmark under the provisions of the Historic Sites Act of August 21, 1935 this site possesses exceptional value in commemorating and illustrating the history of the United States. US Department of . . . — Map (db m45816) HM
Colorado (El Paso County), Colorado Springs — The Amazing Balanced Rock
Around 300 million years ago, the Ancestral Rockies once stood here. Over time, the forces of wind and water eroded the magnificent peaks into swift streams full of sediments. These sediments were eventually pressed and cemented into solid rock. The . . . — Map (db m45979) HM
Colorado (El Paso County), Colorado Springs — The Making of America's Mountain
The granite that make up Pikes Peak was once molten (or liquid) rock. It slowly cooled and hardened miles beneath the earth’s surface, giving the crystals time to grow. Over the last 500 million years several tectonic plates (the earth’s outer . . . — Map (db m45921) HM
Colorado (El Paso County), Colorado Springs — Ute Pass
Passage from prairie to high plains If you had been standing on this spot for the last 10,000 years, you would have seen the history of Colorado progress below you. This ancient route through the Rocky Mountains is named for Colorado’s Ute . . . — Map (db m45761) HM
Colorado (Fremont County), Cañon City — 141 — Royal Gorge
Lt. Zubulon M. Pike and his men, who traveled through this area in November and December 1806, were the first American explorers to view the Arkansas River Canyon now known as the Royal Gorge. A small party from the Maj. Stephen H. Long expedition . . . — Map (db m34858) HM
Colorado (Jefferson County), Golden — Clear Creek
Clear Creek is one of the most popular and historic waterways of the Front Range. The Clear Creek watershed covers approximately 1550 square kilometers (600 square miles), includes five counties, and more than thirteen communities. From the . . . — Map (db m49896) HM
Colorado (Jefferson County), Golden — Golden and Clear Creek
The history of Golden reflects the history of Clear Creek. Eons ago, this creek, then a raging river, coursed its way through the mountains, cutting out the canyon and leaving behind fertile soil where an abundance of plants provided food for wild . . . — Map (db m49908) HM
Colorado (Jefferson County), Golden — Our Changing Landscape-From Sea Floor to Mountain Top
•Colorado’s geologic history dates back nearly two billion years. Several mountain ranges have been uplifted and eroded away before the rise of today’s Rocky Mountains. The landscape you see in front of you has undergone many dramatic changes. This . . . — Map (db m46438) HM
Colorado (Jefferson County), Golden — What You Can See From Here Today
•This diagram illustrates the features you can see from here. North and South table Mountains are remnants of ancient lava flows now separated and eroded by Clear Creek. The Dakota Hogbacks on the left and right sides of the image were one . . . — Map (db m46439) HM
Colorado (Jefferson County), Morrison — Front Range Foothills
You are looking out over the edges of tilted and eroded layers of sandstone and shale that lie upon much older rocks in the mountains behind you. If the eroded layers were restored to where you stand they would be more than two miles thick. The . . . — Map (db m57932) HM
Colorado (Jefferson County), Red Rocks Park — Red Rocks AmphitheatreCity and County of Denver Landmark
Principle construction by Civilian Conservation Corps Company 1848, SP-13C, Mt. Morrison, CO. 1936 - 1941 Dedicated as a memorial to all who served at Mt. Morrison and to the 3 million who served in the CCC nation-wide, 1933 - 1942. The CCC left . . . — Map (db m57683) HM
Colorado (Larimer County), Rocky Mountain National Park — Continental DivideMilner Pass     elev.   10,759 ft.
The "great divide" separates drainage to the Atlantic from drainage to the Pacific. It traverses America from Alaska almost to Cape Horn. Atlantic Ocean «« drainage Cache La Poudre Creek drains into the Platte River which flows to . . . — Map (db m89106) HM
Colorado (Mineral County), South Fork — The Great Divide
Water! Every drop has a destiny via the continent’s backbone: the Continental Divide.      With a foot on each side of the bronze line below, you are symbolically straddling the spine of the Western Hemisphere. In North America the Divide follows . . . — Map (db m71660)
Colorado (Teller County), Florissant — The Fossil BedsFlorissant Fossil Beds National Monument
Explosive volcanic eruptions, a quiet freshwater lake, towering redwoods. A picture of this valley 35 million years ago is revealed by studying the rocks that are here today. — Map (db m93087) HM
Connecticut (Fairfield County), Norwalk — A Habitat Renewed
In the past, the shallow and stagnant Mill Pond was not a good place for marine life. In 1996-97, the City of Norwalk undertook a $500,000 project to improve the aquatic habitat. Funds for the work came from the Connecticut Department of . . . — Map (db m53485) HM
Connecticut (Fairfield County), Trumbull — Tashua Hills
Tashua Hills 608 Feet Above Sea Level Highest Elevation On the East Coast Trumbull Parks Commission — Map (db m77495) HM
Connecticut (Litchfield County), New Milford — Lover’s Leap State Park
Highlights of Lover’s Leap State Park New Milford, CT Lover’s Leap State Park is located in southern New Milford. The Housatonic River flows through the park and forms the headwaters of Lake Lillinonah. This historic 140 acre park began in . . . — Map (db m22739) HM
Delaware (New Castle County), Delaware City — Pea Patch Island
Fort Delaware is located on Pea Patch Island in the Delaware River. The island is sometimes said to have gotten its name from a boat loaded with peas that ran aground on a mud shoal in the 1770s. The spilled peas sprouted, mud caught in the vines, . . . — Map (db m21589) HM
Delaware (New Castle County), Newark — Historic Iron Ore Mining
What is iron ore? Iron is a silvery-white, solid metal, though when found in Pencader Hundred, it commonly appears as a brown and sometimes nearly black oxide of iron. Its chemical symbol Fe, is derived from ferrum, the Latin word for . . . — Map (db m10705) HM
Delaware (New Castle County), Newark — In the BeginningFormation of the Delmarva Peninsula
Left Column Delaware is the second smallest state in the country. However, we played an important role in the formation of the nation. Caesar Rodney rode from Lewes to Philadelphia to cast the deciding vote for independence in 1776. We were . . . — Map (db m10867) HM
Delaware (New Castle County), Wilmington — NC-85 — Ebright Azimuth
The highest benchmark monument in Delaware is located on Ebright Road. This horizontal control mark denotes an elevation of 447.85 feet above sea level. The Delaware Geological Society through its relationship with the National Geodetic Survey has . . . — Map (db m2893) HM
District of Columbia (Washington), Downtown — Zero Milestone — President's Park
[north face:] Zero Milestone [rendering of Mercury’s winged helmet] [plaque in sidewalk below:] The U.S. Coast and Geodetic Survey determined the latitude, longitude and elevation of the Zero Milestone. Authorized . . . — Map (db m32486) HM
District of Columbia (Washington), Northwest — Site of a Tulip Tree
Used as a signal station · by · Confederate soldiers under Gen. Jubal A. Early during the attack on · Washington · July 11 and 12, 1864 Also used by Confederate Sharpshooters The lower plaque reads: Two cannon balls . . . — Map (db m42698) HM
District of Columbia (Washington), Tenleytown — Fort RenoCivil War Defenses of Washington — 1861-1865
No visible evidence remains of Fort Reno, which stood at the top of this hill, the highest elevation in Washington, D.C. [drawing of Fort Reno] Fort Reno from U.S. Army Corps of Engineers drawing. Cannon mounted at Fort Reno helped repulse a . . . — Map (db m20629) HM
District of Columbia (Washington), The National Mall — Petrified WoodAraucarioxylon Arizonicum Knowlton — Triassic Period
about 200 million years old Found near Petrified Forest National Park, Arizona Contributors: Mr. and Mrs. James M. Gray Mr. and Mrs. Herbert Zuhl City of Holbrook, Arizona — Map (db m54063) HM
Florida (Duval County), Jacksonville — Spanish PondFort Caroline National Monument — Timucuan Ecological and Historic Preserve
500 Spanish soldiers from St. Augustine marched four days through marsh, forest tangle, fierce wind, and heavy rainfall to an encampment near here. Exhausted and hungry they rested in a downpour; at dawn they attacked and captured France's Fort . . . — Map (db m46579) HM
Florida (Duval County), Jacksonville — Timucuan PreserveFort Caroline National Monument — Timucuan Ecological and Historic Preserve
Bound by the Nassau River, the Atlantic Ocean, and the St. Johns River, the Timucuan Ecological and Historic Preserve seeks to protect much of the water and undeveloped land you see from here. Salt marsh, coastal hammock, tidal creeks, and sea and . . . — Map (db m46576) HM
Florida (Hamilton County), White Springs — F-24 — White Springs
These sulphur springs were thought to have medicinal properties and were considered sacred by the Indians. Warriors wounded in battle reputedly were not attacked when they came here to recuperate. Settlers moved into the vicinity in 1826 and the . . . — Map (db m13675) HM
Florida (Hillsborough County), Thonotosassa — John B. Sargeant, Sr.May 29, 1915 - March 6, 1989
John B. Sargeant is remembered as a "gentle" man who generously gave of his time so that future generations could enjoy the lands preserved here. A Polk County dairyman, he served twenty-seven years on the Hillsborough River Basin Board of the . . . — Map (db m13678) HM
Florida (Levy County), Cedar Key — F-303 — John Muir at Cedar Key
John Muir, noted naturalist and conservation leader, spent several months in Florida in 1867. He arrived at Cedar Key in October, seven weeks after setting out from Indiana on a "thousand-mile walk to the Gulf." Muir's journal account of his . . . — Map (db m17705) HM
Florida (Marion County), Dunellon — Rainbow Springs
Rainbow Springs has been designated a registered natural landmark Under the provisions of the historic sites act of August 21, 1935 This site possesses exceptional value in illustrating the natural history of the United States U.S. . . . — Map (db m13618) HM
Florida (Miami-Dade County), Miami — The Miami Circle
On this spot of land at the mouth of the Miami River, a historic discovery shed new light on one of Florida's early peoples - the Tequesta. During the demolition of the Brickell Point apartments in 1998, archaeologists uncovered preshistoric . . . — Map (db m65644) HM
Florida (Orange County), Apopka — Dr. Howard A. Kelly Park
To the memory of Dr. Howard Atwood Kelly of Baltimore, Maryland, one of the founders of Johns Hopkins Hospital and medical school. He was a great surgeon, teacher and medical authority, and above all, a Christian gentleman. Dr. Kelly, in 1927 . . . — Map (db m66834) HM
Florida (Orange County), Apopka — F-868 — Dr. Howard A. Kelly Park
Rock Springs is the source of the Rock Springs Run, a swift running stream with an average flow of 26.000 gallons per minute and a constant temperature of 68 degrees. The spring flows from limestone containing fossils that date back 17 million . . . — Map (db m94341) HM
Florida (Orange County), Maitland — Fort Maitland / Maitland / Lake Maitland1838 — Directly east of this highway
Fort Maitland was built in November 1838 by Lt. Col. Alexander C. W. Fanning, U.S.A. (1788-1848) on the military road connecting Fort Melon (Sanford) with Fort Gatlin (Orlando) and used as a stockade in the war between the United States and the . . . — Map (db m7452) HM
Florida (Polk County), Homeland — F-719 — Historic Kissengen Spring
Historic Kissengen Spring is located approximately one mile north of this location. At one time the spring discharged up to 20 million gallons of water a day into the Peace River. The spring’s pool was 200 feet in diameter and reached a depth of 17 . . . — Map (db m67655) HM
Florida (Saint Johns County), St. Augustine — F-229 — Old Spanish QuarriesAnastasia Island
Marker Front: About 200 yards south-east of this point are the remains of the King's Coquina Quarries. (Coquina, a type of limestone composed of mollusk shells and sand, is found along the north-east coast of Florida.) Coquina was used in . . . — Map (db m28361) HM
Florida (Taylor County), Hampton Springs — F-606 — Hampton Springs Hotel
The Hampton Springs Hotel was built in 1908 and was destroyed by fire in 1954. The hotel was world renowned for its sulphur springs and baths known for their healing and medicinal powers. The luxurious hotel boasted lush gardens with elaborate . . . — Map (db m17720) HM
Florida (Washington County), Chipley — F-174 — Falling Waters State Park
Side 1: Park development started in 1963 on this hill, which has an elevation of 322 feet and a limestone base. A stream flowing from the hill plunges over a cliff and disappears through an underground channel. Some sinks and caverns are . . . — Map (db m73295) HM
Georgia (Brantley County), Hoboken — 84 B-7 — Trail Ridge
This ridge, interrupted only by major streams, extends south from the Altamaha River in Georgia to the Santa Fe River in Florida, a distance of 130 miles. It is an ancient barrier beach formerly many miles off-shore in the sea which covered this . . . — Map (db m12423) HM
Georgia (Burke County), Waynesboro — 25 B-4 — Shell Bluff
Shell Bluff on the Savannah River 15 miles northeast has been famous since Indian days because of its outcrops of fossil shells including those of giant oysters. These lived in the Eocene sea that covered this part of Georgia some 50 million years . . . — Map (db m13134) HM
Georgia (Butts County), Jackson — Indian Spring
The wonderful healing powers of the waters of Indian Spring were known to the Indians before the pioneers blazed the trail of civilization in Georgia. Such were their belief and confidence in the medicinal virtues of the waters that they came with . . . — Map (db m404) HM
Georgia (Calhoun County), Arlington — 019-2 — Hernando DeSoto in Georgia
Hernando de Soto, born ca. 1500, nobleman, conquistador, Governor of Cuba, with rights to conquer Florida, traveled in 1540 through what later became Georgia on an expedition to find gold. His exact route is unknown and certain landmarks mentioned . . . — Map (db m27362) HM
Georgia (Catoosa County), Ringgold — 023-1 — Catoosa County
Created December 5, 1853, the county has an Indian name. Ringgold bears the name of Major Samuel Ringgold, who died of wounds received at the Mexican War battle of Palo Alto in 1846. Taylor’s Ridge, visible for miles, is named for the Indian chief . . . — Map (db m19268) HM
Georgia (Catoosa County), Ringgold — 023-2 — Nickajack Gap
The road E. ascends Taylor’s Ridge & via Nickajack Gap, crosses E. Chickamauga Cr. Valley. May 7, 1864. Brig. Gen. Judson Kilpatrick’s (3d) Div., Elliott’s Cav. Corps (Army of the Cumberland) [US], moving from Ringgold, crossed Taylor’s Ridge at . . . — Map (db m19394) HM
Georgia (Charlton County), Folkston — 024-2 — Okefenokee Swamp<--- 10 mi. ---<<<<
Okefenokee, “Land of the Trembling Earth”, was a favorite hunting and fishing ground for many tribes of Indians. General Charles Floyd with 250 dragoons drove out the last of these, the Seminoles, in 1838 ending Indian rebellion in . . . — Map (db m27477) HM
Georgia (Clinch County), Fargo — 032-3 — Okefenokee Swamp10 mi. →
Okefenokee, “Land of the Trembling Earth”, was named by its early inhabitants, the Seminole Indians. Acquired by the Federal Government in 1937 for a national wildlife refuge, its more than 600 square miles make it the largest preserved . . . — Map (db m14657) HM
Georgia (Cook County), Adel — 037-2 — Adel Lime Sink
The origin of both this lake and its name are a mystery as the source of water is unknown and analysis has shown no lime in the soil. The lake which reputedly “has no bottom” formerly served as a baptismal pool for the adjacent Salem . . . — Map (db m40380) HM
Georgia (Dawson County), Dawsonville — 042-2 — The Appalachian Trail
Here begins the approach trail to Springer Mountain, the southern terminus of the Appalachian Trail, a continuous footpath extending more than 2,000 miles to Mt. Katahdin, Maine. The Appalachian Trail was conceived by Benton MacKaye, forester, . . . — Map (db m23262) HM
Georgia (Greene County), Union Point — Great Buffalo Lick
This site is described in the treaty signed by the Creek and Cherokee Indians at Augusta, Georgia, in 1773. Here began the survey of the ceded lands. — Map (db m15712) HM
Georgia (Habersham County), Cornelia — 068-2 — Indian War Trail
This highway runs along the divide between the Atlantic Ocean and the Gulf of Mexico. On the south the waters run into the Broad and Savannah rivers to the Atlantic Ocean. Waters on the north run into Chattahoochee and Apalachicola rivers and the . . . — Map (db m21065) HM
Georgia (Harris County), Pine Mountain — 072-7 — “This Was His Georgia”
During the 21 years (1924–1945) in which he was a constant visitor to Warm Springs, GA., Franklin D. Roosevelt became familiar with the scenic beauties of field & forest in the environs. The splendid isolation of Dowdell’s Knob, with its . . . — Map (db m43137) HM
Georgia (Harris County), Pine Mountain — 072-6 — Dowdell's Knob<------<<<<
The road extending one mile south traverses a spur which projects into Pine Mountain Valley and terminates in a knob 1395 feet elevation above sea level overlooking a spectacular spread of the valley floor. The knob was named for two pioneer Harris . . . — Map (db m22013) HM
Georgia (Harris County), Pine Mountain — 072-8 — Franklin D. Roosevelt Memorial Bridge
Pine Mountain Scenic Highway & this bridge, spanning historic King’s Gap, are living monuments to President Roosevelt’s abiding interest in the natural features of Warm Springs’ environs. He, personally, selected the location of this road atop Pine . . . — Map (db m22020) HM
Georgia (Harris County), Pine Mountain — 072-7 — This Was His Georgia
Franklin D. Roosevelt was a frequent visitor (41 trips) to Warm Springs from 1924-1945. Dowdell’s Knob was one of his favorite spots for both quiet contemplation and picnics. F.D.R. visited this spot overlooking Pine Mountain Valley as a private . . . — Map (db m21998) HM
Georgia (Meriwether County), Woodbury — 18 F-2 — The Cove Gorges of the Flint
Pine Mountain to the south makes a complete loop forming a beautiful basin 4 miles in diameter known as `The Cove.` It is joined on the south by Oak Mountain, another hard quartz ridge. Flint River has avoided an easier course on either side and has . . . — Map (db m9053) HM
Georgia (Morgan County), Madison — The Town Spring
Civil Engineer R.B. Tufts noted on the 1897 Morgan County map that "The Public Spring . . . which for all these years has been sending forth a bold, steady stream of pure, cold water, was the cause of establishing the Court House and the public . . . — Map (db m20844) HM
Georgia (Stewart County), Lumpkin — 128-1 — Providence Canyons>>> -- 8 mi. -->
Trickles of water running down old Indian paths to springs formed the Providence Canyons, natural wonders of the Southeast. These canyons, named for an old church that had to be moved out of their path, are often called “Little Grand . . . — Map (db m46392) HM
Georgia (Taylor County), Butler — 133-1 — Tuscaloosa Formation
The sand clay formation here represents the first prominent Coastal Plain deposits laid upon an ancient floor of granites and gneisses. Southward this formation (Tuscaloosa Upper Cretaceous) becomes more and more deeply buried and contains marine . . . — Map (db m27177) HM
Georgia (Towns County), Blairsville — 139-5 — Brasstown BaldThe Highest Point in Georgia ~ 4,784 ft.
The name is derived from the Cherokee word ltse’yi (New Green Place) or (Place of Fresh Green, from ltse’hi (green or unripe vegetation), and yi, the locative. It occurs in several places in the old Cherokee country, variously spelled Echia, Echoee, . . . — Map (db m32706) HM
Georgia (Towns County), Hiawassee — 139-4 — Brasstown Bald>>>-- 6 Mi. -->
The high, rounded peak, Brasstown Bald or Mt. Enotah, is the highest mountain in Georgia, 4,748 ft. Its Indian name, Itseyi, means “a place of fresh green,” referring to its grassy, instead of timbered, summit. Early white settlers . . . — Map (db m32729) HM
Georgia (Twiggs County), Jeffersonville — 143-11 — Geographic Center of Georgia
One and one tenth mile south-southeast from this marker is the geographic center of the state. The center is defined as the balance point of a plane or thin sheet of a uniform thickness in the shape of the area. The central point is . . . — Map (db m49532) HM
Georgia (Union County), Blairsville — 144-3 — Blood Mountain
Blood Mountain, elevation 4458 ft. Chattahoochee National Forest. In Cherokee mythology the mountain was one of the homes of the Nunnehi or Immortals, the “People Who Live Anywhere,” a race of Spirit People who lived in great townhouses . . . — Map (db m3259) HM
Georgia (Union County), Blairsville — 144-1 — Davenport Mountain>>>------>
Davenport Mountain in view to the east was named for John Davenport who came to this section in 1838. He built his 40 foot long log house 1/2 mi. to the east, over the peak of the mountain. It survived until removed in 1942 to make way for Nottely . . . — Map (db m33067) HM
Georgia (Union County), Young Harris — US 76 C-2 — Brasstown Bald
The high rounded peak to the south with lookout tower is Brasstown Bald or Mount Enotah, the highest mountain in Georgia 4,748 feet above sea level. Its Indian name, Itseyi, means “place of fresh green” and refers to its grassy instead . . . — Map (db m32613) HM
Georgia (Walker County), LaFayette — 146-3 — Walker County
Created December 18, 1833, and named for Major Freeman Walker of Augusta, prominent attorney and United States Senator. Here the fierce Chickamaugas preyed upon pioneers, and were in turn defeated and driven away; here Federals and Confederates . . . — Map (db m13168) HM
Georgia (Ware County), Waycross — 148-3 — Okefenokee Swamp>>>-- 13 mi. -- >
Okefenokee Swamp, 400,000 acres of waterways, swamp prairies and floating islands is a region of many legends. Here DeSoto’s men told of trees that turned to warriors, Indians hunted and fished in its fastnesses and fled to safety on its islands . . . — Map (db m53058) HM
Georgia (Warren County), Jewells Mill — 149-5 — Beall Springs
Beall Springs has faithfully produced chalybeate (ka-Iib-e-at) water for centuries. Chalybeate water is characterized as water containing iron salts. In addition to iron, Beall Spring water contains nine other minerals. First frequented by . . . — Map (db m14663) HM
Georgia (Warren County), Jewells Mill — 149-4 — Shoals on the Ogeechee
First called Lexington, Shoals was the site of what was probably the first woolen mill and iron foundry in Georgia. In 1794, Col. William Bird, Revolutionary soldier from Pennsylvania, and Benjamin A. Hamp bought several thousand acres of land . . . — Map (db m37372) HM
Georgia (White County), Helen — 154-10 — Nacoochee ValleyValley of the Evening Star
This valley has long fascinated travelers, writers and artists. It was farmed for centuries by Indians and white men alike. The valley was devastated by Spanish and American gold hunters and timbermen and has been carefully nurtured by prosperous . . . — Map (db m43706) HM
Georgia (Whitfield County), Rocky Face — 155-13 — Mill Creek Gap
Otherwise known as Buzzard Roost. This natural gateway through Rock Face Ridge, was heavily fortified by Confederate forces at Dalton, after their retreat from Missionary Ridge. February 25, 1864, the Federal 14th A.C., Dept. of the Cumberland, . . . — Map (db m11069) HM
Georgia (Whitfield County), Rocky Face — 155-13 — Mill Creek Gap
Otherwise known as Buzzard Roost. This natural gateway through Rock Face Ridge was heavily fortified by Confederate forces at Dalton after their retreat from Missionary Ridge. February 25, 1864, the Federal 14th A.C., Dept. of the Cumberland, . . . — Map (db m11072) HM
Hawaii (Hawaii County), Naalehu — 66000291 — South Point Complex
South Point Complex has been designated a Registered National Historic Landmark under the provisions of the Historical Sites act of August 21st 1935. This site possesses exceptional value in commemorating and illustrating the history of United . . . — Map (db m2314) HM
Hawaii (Hawaii County), Volcano — The "Firepit" of Halema'uma'u
Halema'uma'u Crater is the site of the most eruptions at the summit of Kilauea Volcano. Between 1905 and 1924, a period of about 20 years, a dazzling lake of molten lava circulated within its walls. Then, in 1924, the lake drained away, allowing . . . — Map (db m26233) HM
Hawaii (Kauai County), Poipu — 8 — Makawehi & Pā‘ā DunesKōloa Heritage Trail — Ka Ala Hele Waiwai Ho‘olina o Kōloa — Preserving the Heritage of Po‘ipū & Kōloa
The eastern sand dunes of Makawehi, calm face, and Pā‘ā, hard rock, yield fossilized plant roots, bird bones, crab claws and other treasures. Prior to extensive wave erosion, this prominent limestone ridge extended across Keoneloa Bay. . . . — Map (db m12859) HM
Hawaii (Kauai County), Poipu — 9 — Pu‘uwanawana Volcanic ConeKōloa Heritage Trail — Ka Ala Hele Waiwai Ho‘olina o Kōloa — Preserving the Heritage of Po‘ipū & Kōloa
More than 5 million years ago, a hotspot in the earth spewed lava upward to form the volcanic mountain island of Kaua‘i. Nearby Hā‘upu Ridge and Mountain contain some of the oldest geologic formations. Look for the youngest volcanic cones, such . . . — Map (db m12864) HM
Hawaii (Kauai County), Poipu — 1 — Spouting Horn ParkKōloa Heritage Trail — Ka Ala Hele Waiwai Ho‘olina o Kōloa — Preserving the Heritage of Po‘ipū & Kōloa
Spouting Horn Park was called puhi, or blowhole, by early Hawaiians. Legends tell of a huge mo‘o, or lizard, caught in this puhi, which was formed when waves eroded softer, underlying rocks and wore through the harder top rock. Water rushing into . . . — Map (db m12764) HM
Hawaii (Maui County), Hana — Haleakala National ParkKipahulu: Costal District
The landscape of Haleakala National Park rises from a lush valley beneath a waterfall at sea level to a red desert of cinder cones here at the volcanic summit of Haleakala. An astounding array of climates and life zones lies in between. Yet the . . . — Map (db m62199) HM
Hawaii (Maui County), Kula — Haleakala National ParkSummit District
The landscape of Haleakala National Park rises from a lush valley beneath a waterfall at sea level to a red desert of cinder cones here at the volcanic summit of Haleakala. An astounding array of climates and life zones lies in between. Yet the . . . — Map (db m71753) HM
Hawaii (Maui County), Wailuku — Kūka‘emoku — [ʻĪao Valley]
Commonly called ʻĪao Needle, the traditional Hawaiian name for this 2,250 foot high peak is Kūka‘emoku. This peak is known as the phallic stone of Kanaloa, Hawaiian god of the ocean. During periods of warfare, the peak was . . . — Map (db m31540) HM
Idaho (Ada County), Meridian — 193 — Initial Point
All Idaho land surveys refer to a beginning point --"Initial Point"-- 16 miles directly south of here. When he began surveying Idaho in 1867, Lafayette Cartee, first surveyor general of Idaho Territory, established the initial point on a . . . — Map (db m53439) HM
Idaho (Butte County), Arco — A Plain of Volcanoes
The shallow arc of Idaho’s Snake River Plain spans southern Idaho, gently rising from west to east. Current theories suggest that the plain marks the path of continental movement over a deep hotspot now lying beneath the Yellowstone Plateau. As the . . . — Map (db m71602)
Idaho (Butte County), Arco — Are We Loving Them to Death?
Walking off trails may be destroying these spatter cones which are some of the rarest volcanic features on the face of the earth. Photographs taken at different times demonstrate that unrestricted visitor use left these fragile volcanic cones . . . — Map (db m80429) HM
Idaho (Butte County), Arco — Boy Scout CaveCraters of the Moon National Monument and Preserve
Look for lava and ice stalactites ("lavacicles" and "icicles") on the ceiling and walls of this lava tube. They were formed by dripping hot lava and melting ice. Born of fire, this cave now retains ice year-round—a cool place to visit on a hot . . . — Map (db m92943)
Idaho (Butte County), Arco — Indian TunnelCraters of the Moon National Monument and Preserve
Indian Tunnel is named for the mysterious stone circles that lie near the path to this large lava tube. Ancient stone structures are visible in many locations throughout the Monument. Archeologists believe that some of these structures may have had . . . — Map (db m92944)
Idaho (Butte County), Arco — Just Down the RoadCraters of the Moon National Monument
The Strangest 75 square miles on the North American continent Comment from an early traveler The landscape before you was explosively created by volcanic eruptions. Cracks in the earth's crust allowed lava to blast, plop, . . . — Map (db m92942)
Idaho (Butte County), Arco — Vanishing Landmark
From this vantage point, you gaze across 25 miles of lava to Big Southern Butte. Early pioneers, following Goodale’s Cutoff from the Oregon Trail, used this land mark to navigate around the rugged lavas of the Snake River Plain. As a traveler today, . . . — Map (db m70595) HM
Idaho (Butte County), Arco — Where's the Volcano?
Say the word volcano and usually the image flashes to mind of a single great symmetrical cone. But, the volcanic activity in Craters of the Moon National Monument and the Snake River Plain has taken a different form. Parallel cracks in the . . . — Map (db m71601)
Idaho (Cassia County), Oakley — 344 — City of Rocks
A vast display of towering granite rocks (16 miles southeast of here) attracted emigrants who were on their way to California. A gold rush visitor, July 14, 1849, reported that "you can imagine among these massive piles, church domes, spires, . . . — Map (db m31637) HM
Idaho (Gooding County), Bliss — Formation of Malad Gorge
Thousands of years ago, immense flows of water from alpine glaciers and high levels of precipitation sent waters cascading over a broad area of the Snake River Canyon directly into the Snake River. Weak joints in the basalt walls gave way to these . . . — Map (db m71547)
Idaho (Gooding County), Bliss — 300 — Fossil Beds
Fossil bones of zebras, beaver, otter, pelicans and other water birds are found in sediments left from a 3,400,000 year old pond on the bluff across the river. Lava flows, pouring out over the plains on this side, met and dammed up sedimentary . . . — Map (db m31598) HM
Idaho (Gooding County), Bliss — The Malad SpringsOne of the Largest in the Country
Few places in Idaho or the United States show evidence of spring water more clearly than in Malad Gorge. These springs flow from the vast Snake River Aquifer through porous pillow basalts. On the opposite side of the canyon, where the river widens, . . . — Map (db m71549)
Idaho (Gooding County), Bliss — Woody's Cove / The Hagerman Valley
Woody's Cove This deep, basalt canyon was formed similar to Malad Gorge – by a retreating cataract, a huge waterfall. About four million years ago, local volcanoes spewed enormous amounts of lava over the area. Then, about one . . . — Map (db m71593)
Idaho (Jerome County), Twin Falls — 326 — Emigrant Road
More than a century ago, fur trappers and emigrants followed an old Indian trail that crossed here on its way to Oregon. Hudson's Bay Company traders preferred this route between Fort Hall and Fort Boise, but early emigrant wagons had to . . . — Map (db m31500) HM
Idaho (Oneida County), Keogh — 317 — Lake Bonneville
20,000 years ago, this land was under water. Not far to the north, you can see the old shore of Lake Bonneville. Formed in a basin from which no river reached the ocean, this became the largest lake in North America. Finally the lake rose high . . . — Map (db m32888) HM
Idaho (Payette County), Fruitland — 263 — Snake River
The valley of the Snake, historic passage from the Midwest to the Northwest, has been a primary route for travel since the days of Indians and fur traders. The Oregon Trail forded the river at Old Fort Boise, the Hudson's Bay Company 12 miles . . . — Map (db m23195) HM
Idaho (Twin Falls County), Hagerman — 330 — Fishing Falls
When John C. Fremont came this way mapping emigrant roads in 1843, he found an important Indian village at Fishing Falls (Kanaka rapids) about 4 miles above here. He reported that native salmon spearers there were "unusually gay...fond of laughter; . . . — Map (db m31652) HM
Idaho (Twin Falls County), Hagerman — 204 — Salmon Falls
In 1812, Joseph Miller found 100 lodges of Indians spearing thousands of salmon each afternoon at a cascade below here. Each summer they dried a year's supply. After 1842, they also traded salmon to Oregon Trail emigrants. John C. Fremont marveled . . . — Map (db m31597) HM
Idaho (Twin Falls County), Hagerman — 166 — Thousand Springs
Old lava flow changed the geologic structure of this area and thus created a multitude of famous springs here. Over thousands of years, volcanic activity repeatedly spread lava over the Snake River plain, slowly forcing the river southward in a . . . — Map (db m31595) HM
Idaho (Twin Falls County), Hansen — Ancient Lake Bonneville"Southern Idaho's Largest Flood in World History"
The Flood that Reshaped Southern Idaho The Snake River Canyon is one of Idaho's most recognizable geologic features. Volcanic forces dating back more than 10 million years ago created the canyon. But it took the second largest flood in . . . — Map (db m70474)
Idaho (Twin Falls County), Murtaugh — 284 — Caldron Linn
In 1811 the Hunt party likened the terrific torrent of the Snake River three miles east of here to a boiling caldron, adding the the old Scottish word "linn," meaning a waterfall. They had lost a man and a canoe in a roaring chute upstream. . . . — Map (db m31523) HM
Idaho (Twin Falls County), Twin Falls — 172 — Shoshone Falls
4 miles east of here, the Snake River falls in thunder 210 feet over a rocky ledge higher than famous Niagara. Indians, trappers, and travellers all knew the "Great Shoshonie." Now the waters upstream have been harnessed for irrigation and power, . . . — Map (db m31520) HM
Illinois (Cook County), Chicago — Abandoned Shoreline of Lake Michigan
This ridge is an ancient beach or sand bar of Lake Michigan whose waters reached this point 8,000 years ago when the lake level was 20 feet higher than now. Clark Street runs north atop this ridge. The park ponds lie between such old beaches, . . . — Map (db m47816) HM
Illinois (Du Page County), Oak Brook — Mammoth Spring
Mammoth Spring Largest in northeastern Illinois, burst forth in 1861 and was used for domestic and irrigation purposes pumping 150 gallons per minute, furnished through wood conduit the total water supply for Elmhurst from 1889-1916 The . . . — Map (db m33626) HM
Indiana (Allen County), Fort Wayne — Early Effort To Build A Park
Around the turn of the century, the nationwide “City Beautiful” movement found local expression through the efforts of Charles Mulford Robinson and nationallly known landscape architect George Kessler. Seeking to reclaim the natural . . . — Map (db m17034) HM
Indiana (Allen County), Fort Wayne — First Americans
The confluence area of the Three Rivers was known to the native people since as early as the end of the last Ice Age, more than 10,000 years ago. As the glaciers melted and receded, they paused here creating a high point in the topography of the . . . — Map (db m17064) HM
Indiana (Allen County), Fort Wayne — Headwaters Park
Architect Eric R. Kuhne was commissioned to design a flood control plan that would provide for a park and premier festival center. It could also serve as a model for flood control in other sections of the country. The Headwaters Park Commission was . . . — Map (db m17037) HM
Indiana (Crawford County), Marengo, Crawford County — Marengo Cave National Landmark
Discovered September 6, 1883 by Blanche & Orris Hiestand who descended into the first room. The following Sunday, Mitch Stewart and friends explored the main passageways. The next day, local residents descended in mass on the cave. Owner Samuel . . . — Map (db m70554) HM
Indiana (Fountain County), Attica — 23.2003.1 — Ravine Park
American Indians frequented this area, rich in natural resources. The ravine provided water from natural springs, marl for lime, and clay for bricks for nineteenth-century residents of Attica, platted 1825. City became owner of ravine 1906 when . . . — Map (db m3311) HM
Indiana (Fountain County), Silverwood — Fulton TownshipLodi Mineral and Artesian Well
Salt discovered by Norbourn Thomas in 1829. Capacity: 200 bushel of salt every 24 hours. Depth 1,135 feet - Deepest in the United States at that time. Artesian water of Medicinal value was discovered. Became a Health Spa in 1921. Water . . . — Map (db m20482) HM
Indiana (Kosciusko County), North Webster — 43.1968.1 — Continental Divide
This divide separates the Great Lakes drainage system from the Mississippi River drainage system. — Map (db m44934) HM
Indiana (Kosciusko County), Warsaw — 43.1966.1 — Indiana’s Glacier Lakes
About 14,000 years ago melting blocks of ice from the last, or Wisconsin Glacier, formed the kettle-hole lakes of northern Indiana. The largest lake, Wawasee, and the deepest lake, Tippecanoe, are in Kosciusko County. — Map (db m1627) HM
Indiana (LaPorte County), LaPorte — Pinhook BogIndiana Dunes National Lakeshore
The Pinhook Bog area features two very different habitats. The Upland Trail highlights a rich Beech and Maple forest growing on top of a glacial moraine formed about 15,000 years ago. The Bog Trail leads to a depression in the moraine created when a . . . — Map (db m75623)
Indiana (Owen County), Cloverdale — Cataract Falls
Cataract Falls are the result of oceans and ice. The limestone outcroppings that form Cataract Falls formed millions of years ago when this region was covered by a large shallow ocean.
  • Layers of calcium-rich materials fell to the ocean . . . — Map (db m74183)
Indiana (Parke County), Marshall — 61.1968.4 — Turkey Run
Little Ned Garland, son of the first family to settle in Indiana North of the 10 O’clock Line, is said to have named the stream below this cliff because wild turkeys roosted in trees within this chasm. — Map (db m3673) HM
Indiana (Pike County), Petersburg — 63.1966.1 — The Buffalo Trace
Crossed White River at a nearby ford. It was made by migrating buffalo herds. The trace ran from Vincennes to Louisville and was the only through trail in pioneer days. — Map (db m23217) HM
Indiana (Porter County), Beverly Shores — Recipe for a Sand DuneFrom the kitchen of Mother Nature
1. Dig a huge hole with a glacier. Use the ice to grind up millions of tons of rock and dirt and make ridges around the edge of the hole. 2. Fill the hole with glacial meltwater. Stir your brand new lake with strong prevailing northwest winds. . . . — Map (db m61673) HM
Indiana (Tippecanoe County), Lafayette — 79.1992.1 — Perrin Historic District
Platted in 1873, this district was Lafayette's first planned residential area which conformed to geographic contours. It was developed by James J. Perrin, Margaret Cason Perrin, Edward Asher, and Consider Tinkler. Listed in National Register of . . . — Map (db m8695) HM
Indiana (Wabash County), Lagro — The Wabash River
History of the River The Wabash Valley drained thousands of square miles of the Wisconsin glacier during the latter part of the Ice Age, acting as the primary sluiceway for unimaginably large amounts of glacial meltwater that would dwarf . . . — Map (db m68095)
Indiana (Washington County), Salem — 88.1995.1 — Illinoian Glacier Boundary
Nearby is the boundary of the Illinoian Glacier, which covered all but approximately 6,250 square miles in south, central area of Indiana. Most of Indiana's topography was affected by four separate glacial advancements during Pleistocene epoch, . . . — Map (db m74084)
Iowa (Cedar County), West Branch — Iowa Prairie
          You are viewing 76 acres of partially restored tall grass prairie, planted in 1971. Extending from the historic Miles Farm, at the hilltop on your left, it provides a south western boundary for the historic site.           Prior to the . . . — Map (db m86884) HM
Iowa (Montgomery County), Red Oak — "Red Stone Boulder"

Formed During The Glacial Period 4'6" High x 31' Circumference x 10' Thick Approximate Weight: 17 Ton Removed From The Roadway of Old Highway 34 East of Red Oak, Iowa July 3, 1985

Boulder and Plaque Placed Here For All To . . . — Map (db m87828) HM

Iowa (Scott County), Bettendorf — Historic Davenport / Interstate 80 Bridge
Marker Front: In 1829, William C. Redfield declared that Davenport lay opposite the future terminus of a “geographical trunk-line route” between the Atlantic and the Mississippi. Nine years later, in 1838, the Iowa Sun and . . . — Map (db m33660) HM
Iowa (Worth County), Northwood — Historic Northern Iowa / Carrie Lane Chapman Catt - (1859 - 1947)
Side A Northern Iowa landforms result from the action of 3 separate glacial ice sheets. Clear Lake, south of here, is one of the many Iowa lakes formed by glacial action. Pilot Knob, a glacially formed hill west of here, is one of highest . . . — Map (db m23264) HM

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