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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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Hydrogeologic Atlas of Bayfield County, Wisconsin
Analysis of the groundwater resources in Bayfield County, Wisconsin. Includes report, five plates, and digital data.-
Hydrogeologic Atlas of Bayfield County, Wisconsin [appendices]
2019
Data: Documents (.pdf file format)
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Hydrogeologic Atlas of Bayfield County, Wisconsin [GIS data]
2019
GIS Data: File geodatabase (.gdb file format)
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Generalized Water-Table Elevation Map of Bayfield County, Wisconsin [plate 1]
2019
Plate: 29.5 in x 39.5 in, scale 1:100,000
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Depth to Water Table Map of Bayfield County, Wisconsin [plate 2]
2019
Plate: 29.5 in x 39.5 in, scale 1:100,000
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Depth to Bedrock Map of Bayfield County, Wisconsin [plate 3]
2019
Plate: 29.5 in x 39.5 in, scale 1:100,000
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Groundwater Recharge Map of Bayfield County, Wisconsin [plate 4]
2019
Plate: 29.5 in x 39.5 in, scale 1:100,000
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Groundwater Susceptibility Map of Bayfield County, Wisconsin [plate 5]
2019
Plate: 29.5 in x 39.5 in, scale 1:100,000
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Bedrock Geology of Wisconsin, West-Central Sheet
Types of bedrock, formation names, major faults, and time period of formation.-
Bedrock Geology of Wisconsin, West-Central Sheet [GIS data]
1988
GIS Data: GeMS file geodatabase (.gdb file format)