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The Driftless Area: The extent of unglaciated and similar terrains in Wisconsin, Illinois, Iowa, and Minnesota
The Driftless Area of southwestern Wisconsin and northwestern Illinois got its name from the lack of glacial sediment ("drift") covering the landscape. The surficial geology and topography of the Driftless Area are thus distinct from the surrounding region where multiple phases of glaciation left their mark. This pamphlet, a collaborative effort between...-
GIS data for the outline of the Driftless Area and similar terrains in Wisconsin, Illinois, Iowa, and Minnesota
2023
GIS Data: Shapefiles (.shp file format)
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Page-sized and web-version maps of the Driftless Area and similar terrains in Wisconsin, Illinois, Iowa, and Minnesota
2023
Map: Documents (.pdf file format), images (.tif file format)
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The Rocks of Clark County
Open-file report; contains unpublished data that has not yet been peer-reviewed. -
Geology of Wisconsin - Outcrop Descriptions
These descriptions illustrate various geologic formations, features, and characteristics. Individual descriptions are one to ten pages long, and include a map with specific location, a description of geologic features, and a discussion of the geologic significance.-
Adams County: Upper Wisconsin Dells (T14N R6E Sec28)
Report: 3 p.
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Adams County: Friendship Mound (T17N R6E Sec5)
Report: 2 p.
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Adams County: Hamilton Mound (T20N R6E Sec36)
Report: 4 p.
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Ashland County: Mt. Whittelsey (T44N R2W Sec9A)
Report: 3 p.
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Ashland County: Mellen Gabbro (T45N R2W Sec30)
Report: 3 p.
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Ashland County: Mellen Granite (T45N R2W Sec31)
Report: 3 p.
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Ashland County: White River (T46N R4W Sec6)
Report: 2 p.
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Bayfield County: South Fish Creek (T47N R5W Sec20)
Report: 2 p.
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Reconnoissance [sic] Soil Survey of South Part of North Central Wisconsin
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Soil Map: Wisconsin, Reconnoissance [sic] Survey - South Part of the North-Central Wisconsin Sheet
1918
Map: 20.5 in x 19.2 in, scale 1 in = 3 miles
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The Geology of North Central Wisconsin
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Map of the Cambrian and Pre-Cambrian of North Central Wisconsin: Clark, Wood, Portage, Marathon, Lincoln, Taylor and Parts of Langlade, Rusk and Price Counties [plate 1]
1907
Map: 20.0 in x 22.9 in, scale 1 in = 3 miles
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Map of the Pleistocene of North Central Wisconsin: Clark, Wood, Portage, Marathon, Lincoln, Taylor and Parts of Langlade, Rusk and Price Counties [plate 2]
1907
Map: 20.1 in x 23.1 in, scale 1 in = 3 miles
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Map Showing Rock Outcrops in Vicinity of Athens and Upper Rib River [plate 8]
1907
Map: 13.6 in x 8.8 in
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Map Showing Rock Outcrops in Vicinity of Arpin and Junction City [plate 12]
1907
Map: 15.1 in x 9.9 in
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Map Showing Rock Outcrops in Vicinity of Hewitt and Rozellville [plate 15]
1907
Map: 10.9 in x 7.5 in