THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
 
 
 
 
 
 
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Minnesota: Geological Society of Minnesota Historical Markers

Geologic road markers erected throughout Minnesota by the Geological Society of Minnesota since 1949.
 
By Annette Fillmore, July 23, 2024
The Lakes of Minnesota Marker
1 ► Minnesota, Becker County, Detroit Lakes — The Lakes of Minnesota —
On Frontage Road.
2 ► Minnesota, Big Stone County, Ortonville — Geology of Minnesota — Ortonville Region —
Near U.S. 12 0.1 miles west of Route 75.
3 ► Minnesota, Carlton County, Carlton — Geology of Minnesota — Jay Cooke State Park —
Near State Highway 210 3.9 miles east of State Highway 45, on the right when traveling east.
4 ► Minnesota, Carlton County, Moose Lake — Geology of Minnesota — Moose Lake Region —
On Arrowhead Lane (State Highway 73) at Lakeshore Drive, on the right when traveling north on Arrowhead Lane.
5 ► Minnesota, Carlton County, Wrenshall — Geology of the St. Louis River —
On Veterans Evergreen Memorial Drive (State Highway 23) at Line Road, on the right when traveling south on Veterans Evergreen Memorial Drive.
6 ► Minnesota, Chisago County, Taylors Falls — Geology of the Taylors Falls Region —
On Saint Croix Trail (U.S. 8) 0.3 miles south of Bench Street (State Highway 95), on the left when traveling south.
7 ► Minnesota, Chisago County, Taylors Falls — Glacial Potholes —
Near U.S. 8 near Bench Street.
8 ► Minnesota, Clay County, Hawley — Geology of Minnesota — Lake Agassiz —
Near Viking Trail (U.S. 10) at 5th Street, on the right when traveling east.
9 ► Minnesota, Clearwater County, Lake Itasca, Itasca Township — Geology of Minnesota —
On Main Park Drive (County Road 38) 0.9 miles south of Bearpaw Lane, on the right when traveling south.
10 ► Minnesota, Cook County, Grand Marais — Geology of Good Harbor Bay —
On North Shore Scenic Drive (State Highway 61) 2.3 miles east of County Road 7, on the right when traveling north.
11 ► Minnesota, Cook County, Grand Marais — Geology of Minnesota — Grand Marais —
On North Shore Scenic Drive (State Highway 61) at Wisconsin Street, on the right when traveling east on North Shore Scenic Drive.
12 ► Minnesota, Crow Wing County, Brainerd — Geology of Minnesota — Brainerd Region —
On State Highway 371 0.1 miles north of Seagull Road Northwest, on the right when traveling north.
13 ► Minnesota, Crow Wing County, Crosby — Portsmouth Mine —
On the Cuyuna Lake Trail at State Highway 6 on the Cuyuna Lake Trail.
14 ► Minnesota, Dakota County, Hastings — Geology of the Dakota County Region —
Near 11th Street West near Forest Street.
15 ► Minnesota, Goodhue County, Red Wing — Geology of Minnesota — Red Wing Region —
On Skyline Drive 0.9 miles East 7th Street.
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16 ► Minnesota, Hennepin County, Excelsior — Geology of Lake Minnetonka —
On Lake Street at Water Street, on the right when traveling north on Lake Street.
17 ► Minnesota, Hennepin County, Minneapolis, Hiawatha — Geology of Minnesota — Minnehaha Falls —
Near South Minnehaha Park Drive near Godfrey Road.
18 ► Minnesota, Hennepin County, Minneapolis, Southwest Minneapolis — Geology of Minnesota — Lake Harriet Region —
Near 42nd Street West at West Lake Harriet Parkway.
19 ► Minnesota, Kandiyohi County, Willmar — Geology of the Willmar Region —
Near Ella Avenue Northwest 0.1 miles west of Business U.S. 71, on the right when traveling west.
20 ► Minnesota, Lake County, Beaver Bay — Geology of Minnesota — Split Rock Region —
Near State Highway 61 3 miles north of Blueberry Hill Road.
21 ► Minnesota, Lake County, Beaver Bay, Split Rock Lighthouse State Park — Geology of the Split Rock Region —
Near Split Rock Lighthouse Road 0.5 miles south of North Shore Scenic Drive (State Highway 61).
22 ► Minnesota, Lake County, Two Harbors — Lake Superior Agate —
Near State Highway 61 0.3 miles north of Superior Shores Drive, on the right when traveling east.
23 ► Minnesota, Lake County, Two Harbors, Gooseberry Falls State Park — Geology Complicates Bridge Foundation —
Near Gitchi Gami State Trail.
24 ► Minnesota, Lincoln County, Lake Benton — Geology of the Lake Benton Region —
On Lakeshore Drive at U.S. 75, on the right when traveling south on Lakeshore Drive.
25 ► Minnesota, Nicollet County, North Mankato — Geology of Minnesota — Mankato Region —
On Lookout Drive 1.1 miles west of U.S. 169, on the left when traveling west.
26 ► Minnesota, Olmsted County, Rochester — Geology of Minnesota —
On East Silver Lake Drive 1.8 miles north of 12th Street Southeast (U.S. 14), on the right when traveling south.
27 ► Minnesota, Ramsey County, Saint Paul, Dayton's Bluff — Geology of Minnesota — Indian Mounds Park —
Near Mounds Boulevard at Earl Street, on the right when traveling east.
28 ► Minnesota, Redwood County, Redwood Falls — Geology of the Redwood Falls Region —
Near East Oak Street 0.8 miles west of North Lincoln Street.
29 ► Minnesota, Saint Louis County, Proctor, West Duluth — Geology of Duluth Harbor —
Near Interstate 35 at milepost 249, on the left when traveling north.
30 ► Minnesota, Saint Louis County, Virginia — The Laurentian Divide —
On U.S. 53, on the right when traveling north.
31 ► Minnesota, Sherburne County, Elk River — Geology of the Elk River Region —
Near U.S. 10 0.4 miles west of U.S. 169, on the left when traveling west.
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32 ► Minnesota, Wabasha County, Reads Landing — WB-PEP-012 — Lake Pepin —
On Great River Road (U.S. 61) 1.5 miles north of 9th Avenue, on the right when traveling north.
33 ► Minnesota, Washington County, Stillwater, Stillwater Township — Geology of Minnesota — Stillwater Region —
Near Saint Croix Trail North (State Highway 95) 1 mile north of Dellwood Road (State Highway 96), on the right when traveling north.
34 ► Minnesota, Winona County, Dakota — Great River Bluffs —
On Leeward Road north of County Road 3, on the right when traveling south.
35 ► Minnesota, Winona County, Elba — Geology of Minnesota — Whitewater State Park —
Near State Highway 74 1.9 miles north of Quincy Drive, on the right when traveling north.
36 ► Minnesota, Winona County, Minnesota City — Geology of Minnesota — Mississippi River —
Near U.S. 61 0.3 miles north of Bass Camp Lane, on the right when traveling north.
 
 
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Nov. 11, 2026