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Natural Resources Historical Markers

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Historic Randsburg Marker image, Touch for more information
By Denise Boose, September 6, 2011
Historic Randsburg Marker
California (Kern County), Randsburg — Historic Randsburg
Rand Camp began as a tent city, erected by eager miners who rushed to the Mojave Desert following a major gold discovery in April 1895. A year later, the town of 1,500 had been renamed "Randsburg." Saloons sprouted, a U.S. Post Office was . . . — Map (db m53869) HM
California (Kern County), Randsburg — 938 — Rand Mining District
The Yellow Aster, or Rand Mine, was discovered in April, 1895 by Singleton Burcham and Mooers. The town of Randsburg quickly developed followed by the supply town of Johannesburg in 1896. Both names were adopted from the profusion of minerals . . . — Map (db m50461) HM
California (Kern County), Randsburg — 57 — Randsburg, California
Gold was discovered on the slope of Rand Mountain in 1895. From this discovery, the town of Randsburg sprang up almost overnight. By 1899, the town had over 3500 residents. Randsburg boasted a 100-stamp mill and conservative estimates are that . . . — Map (db m78578) HM
California (Kern County), Randsburg — The Baltic Mine Project
Few local miners still burrow underground, lured by the rich yellow gleam of gold. Most gold now recovered from California’s Rand Mining District is microscopic in size, and so finely dispersed that it is invisible to the naked eye. Rock containing . . . — Map (db m53870) HM
California (Kern County), Taft — History of Taft
As Taft’s first 100 years is being celebrated in 2010, let’s look back to see from where we came. Taft got its start when the railroad laid tracks to Taft and beyond. Siding Number Two was where it all started along the tracks in the vicinity of 2nd . . . — Map (db m54388) HM
California (Kern County), Taft — West Kern Oil Museum
The Jameson # 17 oil derrick, which was drilled in 1917 and produced until the 1980’s, was scheduled to be torn down. In 1974 the local American Association of University Women and several dedicated people convinced Jameson Oil Company to donate . . . — Map (db m88603) HM
California (Los Angeles County), Inglewood — 363 — Centinela SpringsAguaje de la Centinela
On this site, bubbling springs once flowed from their source in a deep water basin which has existed continuously since the Pleistocene Era. Prehistoric animals, Indians, and early Inglewood settlers were attracted here by the pure artesian water. . . . — Map (db m126337) HM
California (Los Angeles County), Los Angeles — 170 — 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 m126874) HM
California (Los Angeles County), Los Angeles — William Mulholland1855 - 1935
A penniless Irish immigrant boy who rose by the force of his industry, intelligence, integrity and intrepidity to be a sturdy American citizen, a self-educated engineering genius, a whole-hearted humanitarian, the father of the city's water system, . . . — Map (db m32188) HM
California (Los Angeles County), Mission Hills — 150 — This FountainBrand Park
A replica of one in Cordoba, Spain; was built around 1812-1814 and was part of the water system in San Fernando Mission garden. 100 years later this garden was the property of Mr. Leslie C. Brand, who donated a part of it to Los Angeles for a . . . — Map (db m130560) HM
California (Los Angeles County), Mission Hills, Los Angeles — Mission Dam
Rubble masonry water storage dam built by San Fernando Mission Indians in 1808. Water flowed to the mission via a tiled pipe. — Map (db m130564) HM
California (Los Angeles County), Newhall — Oak of the Golden Dream
In 1839, the Mexican Government granted to Antonio del Valle some 48,000 acres of The Santa Clarita Valley known as the Del Valle Rancho. On March 9, 1842, Francisco Lopez y Arbello, the brother-in-law of Antonio del Valle, visited the . . . — Map (db m20112) HM
California (Los Angeles County), Newhall — 168 — Oak of the Golden Dream
Francisco Lopez made California’s first authenticated gold discovery on March 9, 1842. While gathering wild onions near an oak tree in Placerita Canyon he found gold particles clinging to the roots of the bulbs. The San Fernando placers and nearby . . . — Map (db m51516) HM
California (Los Angeles County), Newhall — 168 — Oak of the Golden Dream* ← 9 Miles *
In Placeritas Canyon, March 1842, Francisco Lopez y Arballo, while gathering wild onions from around an old oak, discovered gold particles clinging to the roots of the bulbs. It is estimated that $80,000 in gold was discovered as a result of this . . . — Map (db m137424) HM
California (Los Angeles County), Newhall — 172 — Pioneer Oil Refinery← 3 Miles
In 1875 the Star Oil Company, one of the predecessors of the Standard Oil Company of California, drilled its first Pico Canyon well, which yielded about one hundred barrels per day. The discovery resulted in the erection of the first commercial oil . . . — Map (db m138332) HM
California (Los Angeles County), Redondo Beach — 373 — Old Salt Lake
This marker locates the site near which the Indians and early California settlers came to obtain their salt, which at many times was more valuable than gold. — Map (db m50973) HM
California (Los Angeles County), Santa Clarita — 168 — Oak of the Golden Dream* ← 2 Miles *
In Placeritas Canyon, March 1842, Francisco Lopez y Arballo, while gathering wild onions from around an old oak, discovered gold particles clinging to the roots of the bulbs. It is estimated that $80,000 in gold was discovered as a result of this . . . — Map (db m51668) HM
California (Los Angeles County), Santa Clarita — 168 — Oak of the Golden Dream* ← 6 Miles *
In Placeritas Canyon, March 1842, Francisco Lopez y Arballo, while gathering wild onions from around an old oak, discovered gold particles clinging to the roots of the bulbs. It is estimated that $80,000 in gold was discovered as a result of this . . . — Map (db m137422) HM
California (Los Angeles County), Signal Hill — 1 — Discovery of Oil on the HillPart of the “Memory Necklace” — A Series of Historical Panels Located in the Hilltop Loop Trail —
In 1920, Signal Hill was a grassy dome dotted with seasonal farms. Though there was interest, opinions among oil company geologists about the prospects for oil here were mixed. A well near the corner of Wardlow and Atlantic Streets, drilled to 3,449 . . . — Map (db m100450) HM
California (Los Angeles County), Signal Hill — 580 — Discovery Well - Signal Hill Field
Shell Oil Company – Alamitos No. 1 • June 25, 1921. One of the world’s most famous wells, Alamitos No. 1, was started on March 23, 1921, and completed June 25, 1921, at a depth of 3,114 feet, flowing 590 barrels of oil a day. . . . — Map (db m2476) HM
California (Los Angeles County), Stevenson Ranch — 516-2 — Mentryville
Mentryville, named after Charles Alexander Mentry, who drilled California's first successful commercial oil well in 1876, was one of the first oil towns in the state. Mentry's restored home, barn and Felton School remain on the site where the . . . — Map (db m138354) HM
California (Los Angeles County), Sylmar — 653 — “The Cascades”
This is the terminus of the Los Angeles-Owens River Aqueduct, which brings water 338 miles from the eastern slopes of the Sierra Nevada to the City of Los Angeles. Begun in 1905, the great aqueduct was completed November 5, 1913. The Mono Craters . . . — Map (db m20089) HM
California (Mariposa County), Coulterville — Whistling Billy
This eight-ton, short-wheel base, wood burning locomotive, built by the H. K. Porter Co. of Pittsburg, Pennsylvania, was delivered to the Merced Mining Company of Coulterville in 1897. All of "Billy’s" active life was spent hauling gold-bearing . . . — Map (db m5956) HM
California (Mariposa County), Mariposa — California State Mining and Mineral Museum
The California State Geological Society started collecting mineral specimens in 1865. In 1880, the California State Mining Bureau was founded. This plaque is dedicated to the miners and founders for their foresight. Todays collection displays . . . — Map (db m46845) HM
California (Mariposa County), Mariposa — La Mineta 1850 - Princeton 1854 - Mount Bullion 1862
This site is part of the 44,000 arce [sic] Las Mariposa Land Grant purchased in 1847 by Colonel John C. Fremont for $3,000. In 1850 La Mineta, a mining camp, was established here by Sonoran miners. La Mineta was changed to Princeton in 1854 for the . . . — Map (db m46407) HM
California (Mariposa County), Mariposa — The Ophir Mines
The Mount Ophir Mine is one of the most successful and conspicuous of the Mother Lode mines in Mariposa County. It includes the Mount Ophir Mint which was the first of such mints to turn gold into coins. The Mint was built by John Moffitt, who had . . . — Map (db m46381) HM
California (Mendocino County), Fort Bragg — Charles Russell JohnsonFounder of Fort Bragg, CA
. . . — Map (db m11085) HM
California (Mendocino County), Ukiah — 980 — Ukiah Vichy Springs Resort
Native Americans used these springs for thousands of years before Frank Marble "discovered" them in 1848. William Day established the resort here in 1854. Ukiah Vichy represents one of the oldest continuously operating mineral springs resorts in . . . — Map (db m78163) HM
California (Mono County), Benton — Montgomery City California
In October of 1863, rich silver discoveries led to the formation of Montgomery Mining District and Montgomery City which, although short lived, supported a newspaper, The Pioneer. There were no continuous veins found and mining operations . . . — Map (db m3492) HM
California (Mono County), Coleville — Golden Gate Mine
The mine was discovered in 1903 and was owned and operated by various owners until 1939 when it ceased operations. The total amount of bullion taken from this site is unknown. However, one owner did ship $12,000.00 in 1912. The gold vein was . . . — Map (db m50083) HM
California (Mono County), June Lake — June Lake Mining District
Near this site was located June Lake’s first and only commercial mining venture organized in 1924. The district was composed of ten mines or claims, which produced high-grade ore of zinc, lead and silver. During its heyday, the mines employed . . . — Map (db m50033) HM
California (Mono County), Lee Vining — Bennettville
One mile west is the site of Bennettville. Originally located as the Sheepherder Mine in 1874 by William Bruskey and relocated by Thomas Bennett, President of the Great Sierra Consolidated Silver Mining Company as the Tioga Mines. The claim and . . . — Map (db m49968) HM
California (Mono County), Lee Vining — Mono Mills
To meet the ever increasing demand for lumber and cord wood the Bodie Railway and Lumber Company was formed in February 1881. Timber was harvested from various tracts to the south. It was milled at this site and then shipped to Bodie on the railroad . . . — Map (db m49977) HM
California (Mono County), Lundy — Lundy
Home of the May Lundy Mine. Site of W. J. Lundy sawmill supplying lumber to Bodie in 1878. Organized as the Homer Mining District in 1879 by Wasson, Nye and Homer. Plagued by snowslides and partially destroyed by fire in 1886, Lundy's page of Mono . . . — Map (db m37583) HM
California (Mono County), Mammoth Lakes — Mammoth City
On this site, opposite colorful Mineral Hill (now known as Red Mountain) where the Mammoth mines are located, stood the town of Mammoth City. In this gulch during 1878-79 sprouted a mining camp of perhaps a thousand people. Mammoth City – the . . . — Map (db m50043) HM
California (Mono County), Mammoth Lakes — The Mammoth Consolidated Gold Mine
Mammoth’s famous gold mining boom began in 1877 and ended abruptly in 1881 when the Mammoth Mining Company’s property was sold at a sheriff’s sale. Miners have continued to prospect and mine Red Mountain on a small scale to this day. In 1927 the . . . — Map (db m59473) HM
California (Monterey County), Aromas — A. R. Wilson Quarry
Named for Arthur R. Wilson, who founded Granite Rock Company on February 14, 1900, this quarry has been the heart of Granite Rock's business since the beginning. In more than a century of continuous operation, the quarry has seen destruction from . . . — Map (db m100802) HM
California (Monterey County), Marina — Welcome to Fort Ord Dunes State Park!
Around you are the remains of a portion of the U.S. Army’s Fort Ord. In fact, you are standing on what’s left of the parking lot for Stilwell Hall, once an elegant Soldier’s Club. The Army base, closed in 1994, and surrounding land was eventually . . . — Map (db m68880) HM
California (Monterey County), Monterey — Chestnut Tree
This Chestnut tree, form the lawn of the White House, was originally planted in front of Colton Hall on September 20, 1966 by First Lady, Lady Bird Johnson. It was later replanted in Friendly Plaza. — Map (db m63327) HM
California (Napa County), Calistoga — Old Faithful Steam Well
This small but mighty steam well was built back in the 1930s. It served a variety of purposes, but was especially useful when it came to cooking. Cooking with steam is a practice that goes back thousands of years. This particular steam well was used . . . — Map (db m121732) HM
California (Nevada County), Nevada City — English and New Salmon Mine Stamp Mill
This stamp mill was manufactured at the Miners Foundry and Supply Co., Nevada City, California in the late 1800’s. After a circuitous journey, it has returned to its place of crushing hard rock at the English Mine and then the New Salmon Mine, owned . . . — Map (db m12862) HM
California (Nevada County), Nevada City — Giant
This monitor was used at the now closed La Grange Mine near Weaverville in Trinity County and is similar in size to those used at the Malakoff to wash down the gravel hillsides. It was obtained through a joint effort of E Clampus Vitus, . . . — Map (db m861) HM
California (Nevada County), Nevada City — Miners Foundry – Allans Machine ShopFounded 1856
This original brick building in continuous usage as a foundry for over 110 years. Famous Pelton Waterwheel developed and manufactured here in 1878. Ingenious double-cupped bucket designed by Lester A. Pelton of Camptonville and Nevada City. It . . . — Map (db m12863) HM
California (Nevada County), Nevada City — 1012 — Pelton Wheel Manufacturing Site
The Pelton Water Wheel, first commercially manufactured here at George Allan’s Foundry & Machine Works in 1879, was a major advancement in water power utilization and greatly advanced hard-rock mining. Its unique feature was a series of paired . . . — Map (db m12796) HM
California (Nevada County), North Columbia — Humbug Creek
The 7874 foot tunnel, engineered by Hamilton Smith Jr. from the Malakoff Diggings, has its outlet in Humbug Creek 1 mile up stream. In the late 1870’s, tailings from the Malakoff Diggings filled the river channel to a depth of 60 feet. Remnants of . . . — Map (db m45946) HM
California (Nevada County), Truckee — Boca Townsite
Boca's Railroad Roots From 1866-68, the Central Pacific Railroad was laying tracks over the Sierra Nevada working to complete its portion of the nation's first transcontinental railroad. The railroad's Construction Camp 17, here, at the . . . — Map (db m62048) HM
California (Nevada County), Truckee — Rocking Stone
A natural glacier formation, or the work of an unknown tribe as a form of altar. It’s exact origin will never be known. The perfectly balanced stone until recently would rock at the touch of a finger. C.F. McGlashan built the original tower in . . . — Map (db m23527) HM
California (Nevada County), Washington — 628-629 — Alpha and Omega
One mile north of here were the towns of Alpha and Omega, named by gold miners in the early 1850’s. The tremendous hydraulic diggings, visible from near this point, engulfed most of the original townsites. Alpha was the birthplace of famed opera . . . — Map (db m45152) HM
California (Orange County), Brea — 918 — Olinda
The course of oil production was changed in 1899 when the Olinda area became the first site in California to use the technique of drilling with the hole full of water. Having been developed as a source of fuel oil for for the Santa Fe Railroad, . . . — Map (db m50337) HM
California (Orange County), Brea — 50 — Olinda Oil Museum and Trail
On this site, Edward L. Doheny drilled the first oil well in the Olilnda field in 1897. Olinda #1, drilled to 806 feet, pumped about 50 barrels per day (bpd). By 1898, ten wells were drilled, some producing up to 100 bpd. In 1899, the Santa Fe . . . — Map (db m50045) HM
California (Orange County), La Habra — West Coyote Field, The La Habra Research Laboratory
This site is on the northern edge of the West Coyote oil field, one of the largest fields in the Los Angeles Basin. This field produced about 250 million barrels of oil from sandstone at a depth of about 3,000'. West Coyote was active from 1903 to . . . — Map (db m58909) HM
California (Orange County), Yorba Linda — 40 — Irrigation in Orange County
Water from the Santa Ana River was largely responsible for the transformation of this arid valley into productive agricultural land. Irrigation companies in Orange County were in operation as early as the 1860s. The two largest were the Santa Ana . . . — Map (db m59529) HM
California (Placer County), Auburn — Gold Bug Stamp Mill
The Gold Bug stamp mill was built in the 1880s in the Tahoe National Forest. The Gold Bug Mine, one of many smaller hardrock mines located throughout the Mother Lode, was established to protect the ownership of the main quartz vein of the Eagle Bird . . . — Map (db m94180) HM
California (Placer County), Auburn — Marguerite Mine “Quartz Rock”
The quartz rock on site here at the Auburn depot came from “The Marquerite (sic) Mine” of Auburn Donated by Don Robinson Don Robinson Sand & Gravel — Map (db m81625) HM
California (Placer County), Auburn — Wise Power Plant
History At one time canals laced the Sierra foothills and the mountains above. Many still exist as do the reservoirs the canals linked. Originally the canals were used to funnel water to hydraulic and pacer mining. The system was well in . . . — Map (db m129768) HM
California (Placer County), Cisco Grove — 2 — Meadow Lake
With prospects so cheering, located in a section of country abounding in timber and water, with a climate so healthy, who can foretell the future of Meadow Lake? Here the puff of the iron locomotive will soon be heard as it speeds onward to . . . — Map (db m129472) HM
California (Placer County), Colfax — Nevada County Narrow Gauge Railroad1876 – 1942 — Placer County Terminus —
Depot was 100 yards N.E. of this spot. Built by John Flint Kidder between 1874-76. It ran 22 miles from Colfax to Nevada City via Grass Valley. Rails taken up on 1942. Sarah Kidder, widow of builder , world’s first woman railroad president 1901 . . . — Map (db m14438) HM
California (Placer County), Forest Hill — 398 — Yankee Jim's
Gold was discovered here in 1850 by 'Yankee Jim,' a reputed lawless character, and by 1857 the town was one of the most important in Placer County. The first mining ditch in the county was constructed here by H. Starr and Eugene Phelps. Colonel . . . — Map (db m11924) HM
California (Placer County), Gold Hill — Hydraulic Mining
Hydraulic mining shaped the reddish cliffs along this highway corridor. From the 1850’s until 1885 jets of water were used to break down gold-laden gravel and to wash the material through gold separating devises called sluices. This practice was . . . — Map (db m23666) HM
California (Placer County), Gold Run — 405 — Gold Run
Founded in 1854 by O. W. Hollenbeck and originally called Mountain Springs. Famed for its hydraulic mines which from 1865 to 1878 shipped $6,125,000.00 in gold. Five large water ditches passed through the town serving the mining companies which had . . . — Map (db m1101) HM
California (Placer County), Newcastle — 463 — Town of Ophir
(Original marker, which was stolen in 2012. See Photo #1) Founded in 1849 as 'The Spanish Corral,' Area proved so rich that Biblical name of Ophir adopted in 1850. Most populous town in Placer County in 1852, polling 500 votes. Almost . . . — Map (db m11922) HM
California (Placer County), Newcastle — 400 — Virginiatown
Founded June 1851 - Commonly called 'Virginia.' Over 2,000 miners worked rich deposits. Captain John Brislow built California's first railroad, 1852, to carry pay to Auburn Ravine, a distance of one mile. Site of Philip Armour's and George Aldrich's . . . — Map (db m10973) HM
California (Placer County), Tahoe City — A Safe Harbor
Business and tourists Outlet point is the location where the waters of Lake Tahoe find their only release from the lake basin along the Lower Truckee River at Tahoe City The sheltered inlet of the Truckee River mouth provided safe harbor . . . — Map (db m34932) HM
California (Placer County), Tahoe City — 797 — Lake Tahoe Outlet Works and Gatekeepers Cabin
The first outlet works were constructed in 1870 by Colonel A.W. Von Schmidt. The stone and timber crib structure soon passed to the Donner Lumber & Boom Co. who continued to regulate, for a fee, the water flow for floatation of logs and, later, . . . — Map (db m34498) HM
California (Plumas County), Belden — Pacific Crest Trail
In the early 1930’s Clinton C. Clarke offered to the world his vision of a continuous trail stretching from Canada through 3 states to Mexico. “Along the summit divide of the mountain ranges traversing the best scenic areas and maintaining an . . . — Map (db m66157) HM
California (Plumas County), Blairsden — 196 — Jamison CityEureka Mine and Mill — Johnstown —
Along the Pioneer Trail lies Jamison City and Mine. Large producer, famous for its 52-pound nugget; Eureka Mill and Mine yielding $17 millions to Cornish miners and others. Johnstown, now Johnsville, well preserved '49 town. Historical . . . — Map (db m21898) HM
California (Plumas County), Chester — Humbug Valley
These soda springs were used by the Maidu Indians since time immemorial. Gold mines were discovered here in 1850. Andrew Miller first saw the valley in 1849 and returned in 1850 to homestead, raise a family, build a store and hotel. Many homes and . . . — Map (db m66117) HM
California (Plumas County), Chester — Soda Spring
Waters from this spring have been used for generations by the Mountain Maidu and local ranchers. The ground water here flows naturally through calcium carbonate rocks, creating a characteristic fizz or soda taste. Such waters have long been . . . — Map (db m66118) HM
California (Plumas County), Cromberg — Vardanega Spring
John Vardanega, first owner of Mt. Tomba Inn, (1933-1944) designed and built this cement tank with the help of the CCC on or about 1938 for water supply in the immediate vicinity. — Map (db m56612) HM
California (Plumas County), Greenville — Engelmine
Henry A. Engels settled at the Superior Mine in 1880. Discovered the Engels Mine in 1883. The first all flotation copper mill in the U.S. was completed in 1914. The Indian Valley Railroad began in 1917 and company town Engelmine was established. The . . . — Map (db m66078) HM
California (Plumas County), Greenville — Seneca
Gold was found in 1851 and a wild mining town was born with a dance hall, feed store, livery, blacksmith, post office, grocery, rooming houses and a hotel with solar heated showers. The canyon’s mines included the Sunnyside, Lucky Chance, White . . . — Map (db m56684) HM
California (Plumas County), La Porte — Benjamin W. Barnes“Pappy”
“Barnes Spring” established as La Portes water supply 1858. For his efforts our citizens will forever by indebted. — Map (db m56366) HM
California (Plumas County), La Porte — Port Wine
Port Wine had its beginning in early 1850. By 1851 surface mining had declined, but hydraulic mining instilled new life into the area. Port Wine was described as a religious and sober town in 1863. There was a post office and Wells Fargo Express . . . — Map (db m56652) HM
California (Plumas County), Quincy — Spanish Creek Mines
Millions in gold were taken from the Spanish Creek Mines between 1851 and 1905. To supply the miners the small town of New Boston sprang up at the mouth of Wahponsey Creek. Complete with a toll gate, apple orchard and gardens, in the 1870’s it was . . . — Map (db m56530) HM
California (Riverside County), Desert Center — Barren or BountifulJoshua Tree National Park
It seems to me that the strangest and wonder of existence are emphasized here, in the desert, by the comparative sparcity of the flora and fauna: life not crowded upon life…with a generous gift of space for each herb and bush and tree, each stem . . . — Map (db m92513) HM
California (Riverside County), Desert Center — 41 — Eagle Mountain Iron
The Iron Chief, Black Eagle and other mines produced gold at Eagle Mountain between 1881 and 1900 from ores containing as much as 54 per cent iron. L.S. Barnes secured options and sold the mines to Southern Pacific Railroad in 1909. Kaiser Steel . . . — Map (db m124247) HM
California (Sacramento County), Fair Oaks — "Jim’s Bridge"
Named in honor of Jim Jones whose love for the American River and fervor to protect its fisheries and flow levels greatly enhanced the river and parkway. When this bridge was no longer needed for mining activities, Jim fought to save it so that . . . — Map (db m377) HM
California (Sacramento County), Folsom — Folsom Dam ImprovementsPromoting Public Safety for the Sacramento Region
Folsom Dam and Reservoir are a component of the Central Valley Project, owned and operated by the Bureau of Reclamation, Mid-Pacific Region, Central California Area Office Construction of Folsom Dam by the Corps began in . . . — Map (db m17644) HM
California (Sacramento County), Folsom — 240 — Mormon Island
Early in 1848 W. Sidney S. Willis (ES) and Wilford Hudson, members of the Mormon Battalion, set out from Sutter’s Fort to hunt deer. Stopping on the South Fork of the American River, they found gold. They told their story on returning to the Fort . . . — Map (db m17637) 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 (Sacramento County), Rancho Cordova — Welcome to Mather Lake
From Prairie to Park Prior to the arrival of Europeans in the late 1700’s, this area was an open prairie, where roaming herds of elk and deer grazed on perennial grasses. By the late1800’s, nearly all of the grasslands had been divided up . . . — Map (db m90234) HM
California (Sacramento County), Rancho Murieta — 468 — Gold Mining and Michigan Bar
(left panel) Michigan Bar Gold was discovered on the Cosumnes River in 1849 by two men from Michigan in the vicinity of the historic Nisenan settlement of Palamul. In the 1850s the town of Michigan Bar was the largest in Cosumnes . . . — Map (db m2037) HM
California (San Benito County), San Juan Bautista — Safety Follows Wisdom
Portland Cement Association Safety Trophy Award Ideal Cement Compamy San Juan Bautista, California for a Perfect Safety Record in 1960 — Map (db m15322) HM
California (San Bernardino County), Baker — Salt CreekA Desert and Riperian and Wetland Area
Though they comprise less than 9 percent of the 270 million acres of public lands administered by the U.S. Bureau of Land Management, riparian and wetland areas, such as Salt Creek, are considered the most productive resources found on public lands. . . . — Map (db m72926) HM
California (San Bernardino County), Baker — Salt Creek HillsArea of Critical Environmental Concern
This area was the focus of both prehistoric...American activities and historic...mining. The rich environment provides...for numerous species. Please...protect these natural and c... This ACEC is open for hiking and non...d vehicle use. . . . — Map (db m72928) HM
California (San Bernardino County), Big Bear City — 2 — Holcomb Valley
Named for William Francis "Bill" Holcomb Pioneer Prospector who, in this valley discovered Southern California's richest gold field - May 5, 1860 — Map (db m50610) HM
California (San Bernardino County), Big Bear City — 619 — Holcomb Valley
Southern California's largest gold rush followed the discovery of rich placer deposits by William F. Holcomb and Ben Choteau on May 4, 1860. Miners rushed to the valley and established boom towns. Belleville, the largest, rivaled San Bernardino in . . . — Map (db m50702) HM
California (San Bernardino County), Newberry-Baker — 70 — Valley Wells
In the late 1860's copper was discovered on Clark Montain and the Clark Mining District was organized. Ore was rich but high transportation costs soon caused mining to cease. In the late 1890's the railroad came within 30 miles and the original . . . — Map (db m78573) HM
California (San Bernardino County), Redlands — 43 — Mill Creek Zanja
Spanish missionaries introduced the principle of irrigation in San Bernardino Valley, thus opening the way to settlement. Franciscan Fathers engineered, and Indians dug, this first ditch (or "zanja") in 1819-20. In historical sequence the zanja . . . — Map (db m125944) HM
California (San Bernardino County), Trona — 134 — Epsom Salts Monorail
In 1917 a deposit of Epsom salts was discovered near the old Wingate Wash Borax Road at the southern end of Death Valley. In 1919 the claims were acquired by Los Angeles florist Thomas Wright. Although close to an existing road, Wright devised other . . . — Map (db m78525) HM
California (San Bernardino County), Trona — 101 — John & Dennis Searles Wagon Routes1875 - 1895
This monument commemorates two wagon routes used by the Searles brothers to haul borax from their plant on Borax Lake (now Searles Lake) to the railhead at Mojave. The southern route traveled west of the Trona Pinnacles to Searles' freight station . . . — Map (db m78554) 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 Bernardino County), Victorville — Mormon Springs
In the 1860's, fresh water springs in this area were developed by Mormon freighters making the springs and surrounding cottonwood trees a popular campsite. — Map (db m63945) HM
California (San Bernardino County), Yermo — Calico’s School House
Calico’s original school house was built in 1885, at this location above the town. What you are seeing here is a replica, built in the early 1950’s. Old photographs were used in order to match the architecture as closely as possible, however this . . . — Map (db m13073) HM
California (San Bernardino County), Yucca Valley — 109 — Warren's Well
Warren's Well marks the beginning of the town of Yucca Valley. Mark "Chuck" Warren drove freight wagons through the vally and settled here about 1880. In 1881 he hand-dug the well and later built a windmill, water trough, barn and a small cabin. . . . — Map (db m78547) HM
California (San Diego County), Anza-Borrego Desert State Park — 750 — Peg Leg Smith
Thomas L. Smith, better known as "Peg Leg" Smith, 1801-1866, was a mountain man, prospector, and spinner of tall tales. Legends regarding his lost mine have grown through the years. Countless people have searched the desert looking for its fabulous . . . — Map (db m51585) HM
California (San Francisco City and County), San Francisco — Granville House
On August 16, 1878, Mr. J. Granville contracted with the Spring Valley Water Works to provide water for his family, a lodger, a cow, and irrigation; his home was duly recorded as containing 500 sq. ft. In May of 1883, the water line water line was . . . — Map (db m102431) HM
California (San Francisco City and County), San Francisco — Murphy WindmillNatural Features
Natural Resources are either renewable or non-renewable. Non-renewable resources like coal, petroleum, and natural gas were formed hundreds of millions of years ago from ancient living plants and animals. After millions of years, these . . . — Map (db m133571)
California (San Francisco City and County), San Francisco — Peoples of the Coast - Why did they live here?
Alson, Aptos, Carquin, Huchiun, Oljon, Tamien, Matsun, Rumsen, Yelamu … these are jst a few of the 50 or so Indian tribes that populated the coastal area from Carquinez Strait to south of Monterey Bay. For at least 10,000 years prior to European . . . — Map (db m129317) HM
California (San Francisco City and County), San Francisco — Planning Golden Gate Park
In the 1860's, San Francisco was a booming city fueled by the Gold Rush and the first transcontinental railroad. Civic leaders envisioned a large park and arboretum similar to those in European cities and the eastern United States. Skeptics argued . . . — Map (db m106635) HM
California (San Luis Obispo County), San Luis Obispo — The Old Powerhouse
The old powerhouse was built in 1908, and is the oldest building on the Cal Poly campus. It utilized student labor in its construction, thus embodying “learn by doing”. From 1910 to 1940 it supplied all of the electricity and stream heat . . . — Map (db m38456) HM
California (San Luis Obispo County), Santa Margarita — Soda Lake
The large basin before you is all that remains of a prehistoric sea. One of the largest undisturbed alkali wetlands in the state, the 3,000 acre lake provides important habitat for migratory birds. With no outlet, the water evaporates, leaving . . . — Map (db m117066) HM
California (San Mateo County), Burlingame — 100th Anniversary of the Crystal Springs Dam
Chrystal Springs Dam continues to provide the critical link in the delivery of water to the people of the San Francisco Peninsula. Centennial Observation held on this spot by joint resolution of the [Column One] San Mateo County Board of . . . — Map (db m18447) HM
California (San Mateo County), San Mateo — San Mateo’s First Residents
There are few traces left of San Mateo’s First Residents Before the Europeans arrived, Native Americans living in the San Mateo area were known as the Salson. The Salson have been grouped with the Ohlone or Costanoan people. The Salson . . . — Map (db m29549) HM
California (Santa Barbara County), Mission Hills — 582 — First Successful Cement JobThis Well, Hill No. 4
Spudded September 26, 1905, and completed April 30, 1906, is the first oil well in which a water shut-off was attained by pumping cement through the tubing and behind the casing--forerunner of the modern cementing technique. It was drilled by . . . — Map (db m50516) HM
California (Santa Clara County), Alviso — Discover Alviso’s Rich HistoryAlviso Marina County Park
Alviso’s marina today starkly contrasts with its past as a bustling seaport. In the mid-19th century, Alviso was a transportation hub through which crops, goods and people circulated, fueling the economic growth of the South Bay. Port activity in . . . — Map (db m24408) HM
California (Santa Clara County), Alviso — Salt PondsPast, Present, Future
Beginning with the Ohlone people, who harvested salt for local use and regional trade, small scale salt production on San Francisco Bay expanded into one of the largest industrial solar evaporation complexes in the world. Salt production transformed . . . — Map (db m24444) HM
California (Santa Clara County), Gilroy — Chitactac-Adams Heritage County Park
[This is a two-sided marker. Side-one being in English and Side-two being in Spanish:] [Side One:] CHITACTAC For over 3,000 years, this area around the Uvas Creek drainage supported large populations of ancestral Ohlone People. . . . — Map (db m18508) HM
California (Santa Clara County), San Jose — 505 — Almadén Vineyards
On this site in 1852 Charles LeFranc made the first commercial planting of fine European wine grapes in Santa Clara County and founded Almadén Vineyards. LeFranc imported cuttings from vines in the celebrated wine districts of his native France, . . . — Map (db m2580) HM
California (Santa Clara County), San Jose — Casa Grande
Built in 1854 of adobe, brick and wood. Residence of Mines Managers until 1925. Most gracious & stately California Mansion of early days. Scene of important social & political events. Planned by Henry W. Halleck & built by J. Young & F. Meyer. . . . — Map (db m15046) HM
California (Santa Clara County), San Jose — D Retort and Condensing System
The D retort, line the rotary furnace, was used to recover mercury from cinnabar ore. Whereas the rotary furnace was a continuously-operating system, the D retort was loaded with ore, fired for a period of time (usually 8 to 24 hours), then allowed . . . — Map (db m49862) HM
California (Santa Clara County), San Jose — Day Tunnel
[Side-bar on left:] Significant Addition to New Almaden’s Rich Mining Operation Toxic gases and underground water posed perils and problems for miners in search of valuable cinnabar ore. Under Sherman Day’s suggestion, the . . . — Map (db m52771) HM
California (Santa Clara County), San Jose — El Senador MineThe Most Productive of New Almaden’s “Outside Mines”
Cinnabar was first found in the Senador Mine area before 1863. Systematic development recovered more than 20,000 flasks (1,500,000 pounds) between 1909 and 1926. Under the direction of John Drew, development started by trenching the outcrops of . . . — Map (db m41456) HM
California (Santa Clara County), San Jose — El Senator Mine(El Senador Mine)
This mine was opened in 1863 and worked intermittently until March 1926. In 1915 a reduction plant, which included the first Herreschoff furnace and electric dust collector ever used in the recovery of quicksilver, was erected. The mine was worked . . . — Map (db m34165) HM
California (Santa Clara County), San Jose — Goodrich Quarry
On the hillside north of this plaque, only the scars remain to mark the spot where brown stone was quarried for San Jose Hall of Justice, Post Office, St. Mary’s Church, original buildings of Stanford University, and Carson City Mint. This small . . . — Map (db m129576) HM
California (Santa Clara County), San Jose — Hacienda Mining Display
Preserved here is equipment used in quicksilver mining. A few examples are from New Almaden, but most are from the Guadalupe Mine and were used in the last fifty years of mining, until the mines closed in the 1970s. The equipment is organized . . . — Map (db m49854) HM
California (Santa Clara County), San Jose — Hoeing Table and Cleaning Tank
Hoeing tables and cleaning tanks were used to purify mercury as the final step in the process of converting cinnabar to mercury. Mercury collected in the condensers of a furnace or retort was contaminated with soot, water, dust, sublimed sulphur . . . — Map (db m49857) HM
California (Santa Clara County), San Jose — Mercury Storage Vault
After cleaned mercury is collected, it was placed in iron flasks for transportation to market. A flask of mercury weighs about 76 pounds when filled and a flask needs to be strong because of the density of the liquid metal. Filled containers of . . . — Map (db m49858) 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 (Santa Clara County), San Jose — New Almaden(The New Mine) — After Almaden Mine in Spain —
The first workable quicksilver mine in North America – First mine of any kind in California – First worked 1824 – Denounced November 1845. Has produced more metallic wealth than any individual gold mine in California. Its discovery . . . — Map (db m12924) HM
California (Santa Clara County), San Jose — 339 — New Almaden Quicksilver Mine
12 miles ← [west]. From this cinnabar hill the Indians used pigment for paint. Mercury was mined, 1845. Gold discovery made mercury indispensable and the mine became the most productive in America, became world famous. It sold for . . . — Map (db m2640) HM
California (Santa Clara County), San Jose — New Almaden Quicksilver Mine
New Almaden Quicksilver Mine has been designated an historical landmark by American Society of Metals Discovered in November 1845, it was the first workable quicksilver mine in North America and preceded the Coloma Gold Discovery of January . . . — Map (db m15055) HM
California (Santa Clara County), San Jose — New Almaden Quicksilver Mine
For generations the Ohlone Indians followed the path along the Alamitos Creek to find cinnabar in a cave in the nearby hills. They traded the mineral, used it in religious ceremonies and decorated their bodies. Elsewhere in the world, quicksilver, . . . — Map (db m41479) HM
California (Santa Clara County), San Jose — Santa Isabel Shaft
[Side-bar on left:] Mine workers began to sink the Santa Isabel Shaft in 1877 to relieve the burden on the nearby Randol Shaft, which could no longer handle the abundance of underground cinnabar ore. Five years later ore was delivered to . . . — Map (db m52770) HM
California (Santa Clara County), San Jose — Shaker-Concentrator
The shaker-concentrator, also known as a shaker table, was used in gravity beneficiation (the concentration of ore) for sorting fine-grained materials, such as heavy cinnabar, from ordinary rock and dust particles. The beneficiation process was . . . — Map (db m49860) HM
California (Santa Clara County), San Jose — 339-1 — Site of First Mining in California
Here, along Arroyo de los Alamitos Creek in 1824, Luís Cabolla and Antonio Suñol first worked New Almaden ore in an arrastra. In constant production since 1845, more than a million flasks of quicksilver valued at over 50 million dollars have been . . . — Map (db m18692) HM
California (Santa Clara County), San Jose — The “Main Tunnel”
[Side-bar on left:] The Beginning of New Almaden’s Rich History Just ahead lies the original site of mining activity in New Almaden’s rich history, where Ohlone Indians extracted cinnabar ore from a “red cave”. In . . . — Map (db m52815) HM
California (Santa Clara County), San Jose — The Buena VistaA Masterpiece of Masonry & Mechanics
The Buena Vista shaft commenced on July 5, 1882. It became the deepest sunk into the Quicksilver Mining Company’s lands, eventually reaching a depth of 2,300 feet, 600 below sea level. Though not itself a significant source of ore, the Buena . . . — Map (db m58943) HM
California (Santa Clara County), San Jose — Vichy Springs
A spring of carbonated water, locally known as Vichy, bubbled up here beside the Alamitos Creek. When the distant Buena Vista Shaft penetrated the 2100 foot level in 1882, the spring ceased flowing. San Francisco banker F.L.A. Pioche and others . . . — Map (db m41277) HM
California (Santa Clara County), San Jose — Welcome to Alum Rock ParkCalifornia’s Oldest Municipal Park
Alum Rock Park was acquired in stages over many years. The original claim is based on the first land grant by Governor Filipe de Neve, July 22, 1778. Alum Rock Park has survived many challenges to that original grant and on March 13, 1872 the . . . — Map (db m63788) HM
California (Santa Clara County), Sunnyvale — Hendy Stamp Mill / Hendy's "California" Stamp Mill
Hendy Stamp Mill During the California Gold Rush, Hendy Iron Works built mining and stamp mill machinery exclusively. They supplied mining operations around the world with 5-stamp mills that could operate as a single unit or as multiple units . . . — Map (db m30251) HM
California (Santa Cruz County), Big Basin — 827 — The First State Park
A group of conservationists led by Andrew P. Hill camped at the base of Slippery Rock on May 15, 1900 and formed the Sempervirens Club to preserve the redwoods of Big Basin. Their efforts resulted in deeding 3,500 acres of primeval forest to the . . . — Map (db m2350) HM
California (Santa Cruz County), Santa Cruz — Cowell Lime Works
. . . — Map (db m64244) 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), French Gulch — 166 — French Gulch
Founded nearby by French miners in 1849, the town of Morrowville, relocated here, was the center of one of the state's richest gold producing areas. Total production was over $20,000,000. One of California's first stamp mills operated at the nearby . . . — Map (db m57823) HM
California (Shasta County), Redding — Clear Creek
. . . — Map (db m14394) HM
California (Shasta County), Whiskeytown — A Matter of ProgressWhiskeytown Lake
In the mid to late 1800’s you would have traveled here by horseback, mule train, stagecoach, or on foot. The rough road that would have led you here continued into the valley, now filled with Whiskeytown Lake. It passed near mining camps along . . . — Map (db m14412) HM
California (Shasta County), Whiskeytown — Camden House
“Success was called LUCK by those that failed. From observation, nine-tenths of the “luck” came from hard work and judgement.” Charles Camden Charles Camden, who stressed patience, perserverence, and . . . — Map (db m12581) HM
California (Shasta County), Whiskeytown — Central Valley Project
On September 28, 1963, less than two months before his assassination, President John F. Kennedy made his last official visit to California to dedicate Whiskeytown Dam. The dedication completed the Central Valley Project, a 500-mile-long water . . . — Map (db m63356) HM
California (Shasta County), Whiskeytown — Toll Bridge
To cross Clear Creek in 1865 it would have cost you 10 cents to walk across, 25 cents to ride over on horseback, and $1.25 to cross by wagon. Charles Camden, the bridge owner, spent $20,000 to improve the road between here and the town of Shasta. He . . . — Map (db m12565) HM
California (Shasta County), Whiskeytown — Tower House Historic District
Down this short trail, a bridge crosses Clear Creek just before the creek converges with Crystal and Mill Creeks. Prehistory and history converge here, too – on the Tower House Historic District. For more than 6000 years this area was home to . . . — Map (db m12545) HM
California (Sierra County), Alleghany — Alleghany
Alleghany, “The Treasure Town,” was made up several mining camps; Smith’s Flat, Kanaka Flat, Wet Ravine, Cumberland and Kanaka City. All were established within a few months period in 1851, with Smith’s Flat being the first. Among . . . — Map (db m65935) HM
California (Sierra County), Alleghany — Bald Mountain Mine
Forest City’s early placer gold claims were worked out by 1865 leaving the town “busted.” In 1870 a company of local miners and businessmen located a lost section of “The Great Blue Lead,” a 60 million year old north – . . . — Map (db m65961) HM
California (Sierra County), Alleghany — Stamp Mill
This mill, used to crush quartz rock in order to extract gold, was first located at the Del Norte and Scotia Mine in French Ravine, near Alleghany, an area which was suffering from an embarrassment of riches. The Alleghany lode was the purest . . . — Map (db m65947) HM
California (Sierra County), Alleghany — The Sixteen to One Mine
California’s Sixteen to One has been producing gold for over one hundreds years. More than one million troy ounces of gold have been mined from its tunnels. In 1853 the Knickerbocker Drift Mine was started, later led to the development of the . . . — Map (db m65937) HM
California (Stanislaus County), Knights Ferry — 347 — Knights Ferry
Picturesque mining center and trading post, 1849, once called Dentville. Early ferry to the southern mines; county seat 1862-72; rare wooden covered bridge reputedly designed by U. S. Grant, brother-in-law of the Dent brothers, 1854; old flour mill, . . . — Map (db m79384) HM
California (Stanislaus County), Knights Ferry — Tulloch’s Mill
In the late 1850’s David Loche built Knight’s Ferry’s first flour mill. It was destroyed by the flood of 1862, and a second new mill was built here by David Tulloch. A dam upstream diverted water to a water wheel which turned the millstones. . . . — Map (db m12928) HM
California (Stanislaus County), La Grange — La Grange
This area has seen four phases of mining – placer, tunneling, hydraulic, and dredging. This bucket, one of a chain of 100, holds 12 c.f. and is from one of the worlds largest dredges. The Tuolumne Gold Dredging Co. started operation of the . . . — Map (db m94799) HM
California (Stanislaus County), La Grange — La Grange Gold Dredge Co. Camp
In this stand of eucalyptus trees lie the remains of the La Grange Gold Dredge Co. Camp. Here unmarried miners lived in a small community while they operated huge dredging machines near and on the Tuolumne River. The camp was abandoned in 1951 when . . . — Map (db m46325) HM
California (Stanislaus County), La Grange — Tuolumne Gold Dredge
Behind this monument rests the historic Tuolumne Gold Dredge which started operation at Patricksville, just east of this location, on June 15, 1938. A Walter Johnson No. 52 Model, it floated on a self-created pond of water. It was larger than a . . . — Map (db m7323) HM
California (Trinity County), Big Bar — Big Flat – Big Bar
This plaque is between the two sites first mined in ’49. The rush came in 1850, when John Weaver & Co. ditched water from Lil’ Weaver Creek, now Big Bar Creek taking out $100,000 in gold at Big Flat. Elizabeth Walton, mined here with her husband in . . . — Map (db m100581) HM
California (Trinity County), Junction City — Dedrick
A mining town was settled here on Corral Bar in 1890, and named after Chloride Mine locator Dan C. Dedrick. The post office was established May 4, 1891. By 1902 the town boasted a school, 2 stores, 2 hotels, a restaurant, lodging house, livery, . . . — Map (db m56115) HM
California (Trinity County), Trinity Center — Bucket Line Dredges
Gold dredging turned the Trinity River upside down for over 50 years, leaving behind mounds of rock tailings. The first operation, in 1889, was the Kise Bros. Dredge. The Carrville Dredge, at this site was the last dredge operating for a few years . . . — Map (db m56230) HM
California (Trinity County), Weaverville — 778 — The La Grange Mine
This mine was originally known as the Oregon Mountain group of claims, first operated about 1862. In 1892 the mine was purchased by the La Grange Hydraulic Gold Mining Company which brought water from Stuart's Fork through 29 miles of ditch tunnels . . . — Map (db m32635) HM
California (Tulare County), California Hot Springs — California Hot Springs
The first people to use the hot springs were the Bokninuwad Yokuts also called "Hoeynche" who called it "Kahtililkau" hot water. In the late 1870's T.J. and N.B. Witt filed claim to Upper Deer Creek "Hoyen Idik" which included the several hots . . . — Map (db m51871) HM
California (Tulare County), Three Rivers — Sequoia-Kings Canyon National Parks
United Nations Education Scientific and Cultural Organization MAB Program on Man and the Biosphere By decision of the Bureau of the International Coordinating Council of the Program on Man and the Biosphere, duly authorized to that . . . — Map (db m2978) HM
California (Tuolumne County), Big Oak Flat — 406 — Big Oak Flat — Mark Twain Bret Harte Trail —
First called Savage Diggins after the man who discovered gold here, 1848. Renamed Big Oak Flat about 1850 after giant oak tree that stood in the center of town, near this spot. Oak, which was about 13 feet in diameter and was undermined in 1869 and . . . — Map (db m11022) HM
California (Tuolumne County), Chinese Camp — Don Pedro Lake
Created by Don Pedro Dam on the Tuolumne River near LaGrange. This project was completed in 1971 to provide irrigation, domestic water, flood control, electricity, recreation and fish enhancement. Constructed by City and County of San Francisco . . . — Map (db m13199) HM
California (Tuolumne County), Chinese Camp — Montezuma
First record of Montezuma was June 1850 when partners Solomon Miller and Peter K. Aurand, proprietors of the 'Montezuma Tent,' were attacked and Aurand killed by a group of Mexicans during the foreign miners tax excitement of that period. Due to the . . . — Map (db m12991) HM
California (Tuolumne County), Columbia — Charles Crist Kress
Charles Crist Kress died Oct. 10, 1913. Age 84, Native of Alsage-Lorraine. He spoke five languages , a veteran of the Crimean War, married in New York, came around the Horn to San Francisco. He owned a baker shop on Kearny St. In 1863 he bought 160 . . . — Map (db m12988) HM
California (Tuolumne County), Columbia — Columbia Marble Quarry
(On Marble Quarry Road one mile from this site) Deposit discovered in 1854 by John Grant. Produced the marble used in Pacific Coast buildings. Still producing. — Map (db m53302) HM
California (Tuolumne County), Columbia — Scraping the Rocks CleanMining Activities at Columbia
Armed with pickaxes,shovels and powerful jets of water miners, removed massive amounts of dirt and gravel to expose the marble limestone formations you see here today. Deep open-pit mines once extended for miles east and south of Columbia. . . . — Map (db m53306) HM
California (Tuolumne County), Columbia — To Honor the Chinese Pioneers
This marks the burial site of Columbia’s early Chinese miners and merchants, in keeping with their traditions. The remains have been disinterred and returned to their homeland. — Map (db m12986) HM
California (Tuolumne County), Columbia — Water, Precious as GoldColumbia’s Biggest Challenge
Every aspect of Columbia’sdevelopment depended on water. Without it, mining could not continue and the town could have died. In the early days of Columbia, fights broke out because of the short supply of water. To resolve the problem (and make . . . — Map (db m53296) HM
California (Tuolumne County), Columbia — Welcome to Italian Bar
At this historical site in 1850, over 3,000 prospectors worked. Over 10 million Dollars in Gold was extracted from Italian Bar & nearby “diggins”. It is now private property owned by The Lost Dutchman’s Mining Association. No . . . — Map (db m58875) HM
California (Tuolumne County), Groveland — Arrastra
The Spanish first introduced the arrastra to the New World in the 1500’s. The work “arrastra” come from the Spanish word “arrastre”, meaning to drag along the ground. When ore was quarried out of the hard rock mines, the . . . — Map (db m53272) HM
California (Tuolumne County), Groveland — 446 — GrovelandMark Twain Bret Harte Trail
Formerly called “First Garrote” traced to hanging of Mexican for stealing horse. Adobe buildings still standing (1949) built in 1849 as shown by dated adobe brick taken from partition. Gold discovered here 1849. Thousands in placer gold . . . — Map (db m14698) HM
California (Tuolumne County), Groveland — O’Shaughnessy Dam
(Tablet 1) O’Shaughnessy Dam 1915–1922 City and County of San Francisco. James Rolph Jr. Mayor • Foundation Elev. 3388 • Bottom Valves Elev. 3508 • Initial Crest Elev. 3726 • Length of Crest 600 • Storage . . . — Map (db m1920) HM
California (Tuolumne County), Groveland — Producing Clean Renewable Energy
Every year the Hetch Hetchy Water and Power System produces 1.7 billion kilowatt-hours of clean renewable hydropower - equivalent to the power generated from burning 39 million gallons of oil. Early Intake Powerhouse was built in 1918, twelve . . . — Map (db m1941) HM
California (Tuolumne County), Jamestown — 75 Pound Nugget
In 1848 a 75 pound nugget was found in Woods Creek which flows through our park — Map (db m53276) HM
California (Tuolumne County), Jamestown — The Humbug Mine
The Humbug Mine was situated on the east slope of Table Mountain near Jamestown. It was the richest mine of its kind in the Mother Lode. Producing more than $4,000,000 worth of gold in its heyday. Due to the geology of the mountain, the mine . . . — Map (db m102043) HM
California (Tuolumne County), Jamestown — Woods Crossing — Mark Twain Bret Harte Trail —
Tuolumne County history begins here. Early in 1848 a party of Philadelphia prospectors under the leadership of James Woods discovered gold 500 feet south east of this marker, where the old road crosses the creek now bearing Woods’ name. James . . . — Map (db m5782) HM
California (Tuolumne County), Pinecrest — Jewels of the High Country
Fred Leighton first entered this emigrant wilderness basin in 1895 to tend cattle with his uncle Alvah Shaw. Thanks to his vision to build check dams, first one in 1920, on the stream flows in the area. The water was reserved for fish propagation . . . — Map (db m49886) HM
California (Tuolumne County), Sonora — Site of the Sonora Plaza Well1848
First public water well in the city of Sonora and located on the perimeter of the early day plaza that was established by the Mexican immigrants as Sonora Camp. The well has its source in a spring underground at the northwest corner of the Bank of . . . — Map (db m53261) HM
California (Tuolumne County), Tuolumne — 445 — Cherokee — Mark Twain Bret Harte Trail —
First placer camp in East Belt section of Mother Lode. Gold discovered here in 1853 by Scott brothers, descendants of Cherokee Indians. Scars of placer “diggings” in every little arroyo in Cherokee Valley healed over by Mother Nature . . . — Map (db m6819) HM
California (Tuolumne County), Tuolumne — Westside Flume & Lumber Company1889 - 1962
May 31, 1889 Henry J. Crocker, Wellington Gregg, Thomas Bullock and Charles Gardner formed the Westside Flume and Lumber Company, for a total cost of 361,000.00 dollars. The mill was built, and by the end of the year was in operation, and by 1900 . . . — Map (db m7560) HM
California (Tuolumne County), Twain Harte — Confidence Mine
Discovered in 1853, Confidence Mine became one of California’s richest gold mines. It was developed by the pioneer stage owner and pony express man Ben Holladay. An incline shaft of 1,000’ was sunk and off that a 2,000’ horizontal shaft hit the best . . . — Map (db m49881) HM
California (Tuolumne County), Yosemite National Park — Yosemite Ghost Mines
As early as 1860, prospectors explored Mono Pass in search of rich rock. Here, among the glacially carved granite and craggy peaks of the Sierra crest, these hardy men discovered silver deposits and went to work in hopes of fortune. Buildings of . . . — Map (db m65577) HM
California (Yuba County), Browns Valley — Donnebrouge Mine1863
Beyond this marker, the "head frame" for the mine still stands while most of the other structures were destroyed over time. Extensive vertical shafts or "winzes" are honey-combed throughout the area, some of which are reportedly as deep as 1700 . . . — Map (db m54217) HM
California (Yuba County), Penn Valley — 320 — Timbuctoo5 Mile Marker
1855. Largest town in eastern Yuba County, and at height of its prosperity contained a church, theater, stores, hotels, and saloons. Old Wells Fargo Office and Stewart Bros.; Store restored, 1928, and dedicated to pioneer men and women of Timbuctoo. — Map (db m57629) 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 (Bent County), Las Animas — Welcome to Boggsville
The Arkansas River Valley is a historical frontier in both the American and European sense. Americans view the frontier as unsettled or a sparsely settled area lands on the edge of "civilization." To Europeans, frontiers are boundaries or borders . . . — Map (db m120698) HM
Colorado (Boulder County), Lafayette — Colorado's Northern Coal FieldLest We Forget
Colorado's immense northern coal field, centered beneath these rolling hills, contributed to the early development and growth of Colorado and to the birth of nearby towns. Miners and mine owners in this area battled over issues of workers' . . . — Map (db m120145) HM
Colorado (Custer County), Westcliffe — Mining and Ranching / Early Settlement / Westcliffe and Silver Cliff / Westcliffe Country
Mining and Ranching For a time, the Wet Mountain Valley appeared destined for mining glory. Silver strikes at Rosita (about fifteen miles southeast of here) in 1872, Querida (about twelve miles southeast) in 1877, and Silver Cliff (six . . . — Map (db m120228) HM
Colorado (Denver County), Denver — 13e — Boom and BustWall Street of the Rockies — Seventeenth Street Denver, Colorado —
The downtown skyline was transformed in the late 1970s and early 1980s as the Denver economy boomed based on the price of oil. As oil prices fell below $10/barrel in 1986, Denver’s economy contracted. In 1986, the Denver economy entered its . . . — Map (db m135486) HM
Colorado (Denver County), Denver — 3e — Cherry Creek Emigrant's SongWall Street of the Rockies — Seventeenth Street Denver, Colorado —
. . . — Map (db m135352) HM
Colorado (Denver County), Denver — 7w — Don't PanicWall Street of the Rockies — Seventeenth Street Denver, Colorado —
The Silver Panic of 1893 brought 17th Street to her knees. Eventually she recovered; gold was the reason she survived. Golden riches arrived from the mines of Cripple Creek filling Denver's coffers. This Golden Era is symbolized by the gold . . . — Map (db m135105) HM
Colorado (Denver County), Denver — 1e — Rocky Mountain FashionWall Street of the Rockies — Seventeenth Street Denver, Colorado —
“Your ruffle shirts, standing collars and all kinds of fine clothing had better be left in your wardrobe at home. Discard all cotton or linen clothing; adapt yourself at once to woolen and leather; provide yourself with woolen underclothes. . . . — Map (db m135351) 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 — Well-traveled Water
Did you know that Colorado Springs is almost a desert? Deserts receive less than ten inches of rain per year. The average precipitation in Colorado Springs is only about 15 inches per year. That’s pretty dry compared to Boston’s annual 44 . . . — Map (db m45919) HM
Colorado (Garfield County), Glenwood Springs — Immigrants Found Future in Colorado
Beginning in the 1870's Italians came in great numbers to Colorado. The Roaring Fork Valley's Italian immigrants performed the hard, dirty work wanted by no one else. Most were coal miners who worked the mines at Sunlight, Spring Gulch and . . . — Map (db m120548) HM
Colorado (Garfield County), New Castle — New Castle Coal Mine Memorial
This memorial is placed in honor of the men who lost their lives in the coal mines of New Castle. Vulcan Mine - February 18, 1896 {List of names} Vulcan Mine - December 12, 1913 {List of names} Vulcan . . . — Map (db m120120) HM
Colorado (Garfield County), Rifle — Rifle / The Rock That Burns / Colorado Wilderness / Rifle Country
Rifle During the U.S. Geological Survey of 1876, A.C. Peale wrote the word "rifle" on his map to mark the location of a misplaced firearm. The gun was never found, but the name stuck. Founded in 1882, Rifle attracted a steady flow of . . . — Map (db m120749) HM
Colorado (Lake County), Climax — Water Treatment Protects Downstream Users
By the time Charles Senter staked his claims on Bartlett Mountain in 1879, the trout were gone from Ten Mile Creek. It had been altered by smelting and mining that took place long before Climax began operations. Today, the trout are back. . . . — Map (db m122749) HM
Colorado (Las Animas County), Trinidad — Coal Miners' Memorial1996
Southern Colorado Miners Memorial 1996 Ben Johnson ArtistMap (db m100504) HM
Colorado (Las Animas County), Trinidad — The Coal Miner's Canary
For centuries, miners have been taking canary birds down into their mines to warn them of potential disaster. If a tunnel or shaft collapses or is blocked, thereby diminishing the oxygen supply, the canary will be the first to react, usually dying, . . . — Map (db m100501) HM
Colorado (Montezuma County), Cortez — Yucca House National Monument
Yucca House National Monument Dec. 19, 1919. A fine example of a valley pueblo being held by National Park Service — Map (db m71498) HM
Colorado (Pueblo County), Pueblo — 219 — Pueblo - Trail Days / Industrial Frontier - Pinon County
Panel 1 Pueblo El Pueblo El Pueblo never achieved great commercial success, but one could make a living there. Built in 1842 by traders George Simpson, Matthew Kinkead, Robert Fisher, Jim Beckwourth, and several others, . . . — Map (db m89335) HM

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