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Geologic Map of the Ferryville and Lansing 7.5-Minute Quadrangles, Crawford County, Wisconsin
The geologic map of the Ferryville and Lansing 7.5-minute quadrangles (Crawford County), located in the Driftless Area of southwestern Wisconsin, provides new observations and lithologic descriptions of the area's geology. This work supports the Wisconsin Department of Transportation's ongoing efforts to mitigate slope failures along the Wisconsin State...-
Geologic Map of the Ferryville and Lansing 7.5-Minute Quadrangles, Crawford County, Wisconsin
2025
Map: 41.5 in x 30.75 in, scale 1:24,000
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GIS Data for the Geologic Map of the Ferryville and Lansing 7.5-Minute Quadrangles, Crawford County, Wisconsin [dataset 1]
2025
GIS Data: GeMS Level 3 file geodatabase (.gdb file format) and GeoPackage (.gpkg file format)
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Geologic Map of the Eastman and Harpers Ferry 7.5-Minute Quadrangles, Crawford County, Wisconsin
The geologic map of the Eastman and Harpers Ferry 7.5-minute quadrangles (Crawford County), located in the Driftless Area of southwestern Wisconsin, provides new observations and lithologic descriptions of the area's geology. This work supports the Wisconsin Department of Transportation's ongoing efforts to mitigate slope failures along the Wisconsin...-
Geologic Map of the Eastman and Harpers Ferry 7.5-Minute Quadrangles, Crawford County, Wisconsin
2025
Map: 36 in x 32.5 in, scale 1:24,000
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GIS Data for the Geologic Map of the Eastman and Harpers Ferry 7.5-Minute Quadrangles, Crawford County, Wisconsin [dataset 1]
2025
GIS Data: GeMS Level 3 file geodatabase (.gdb file format) and GeoPackage (.gpkg file format)
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Geology of the Baraboo Hills, Sauk and Columbia Counties, Wisconsin
Located in the south-central portion of the state, new geologic mapping of the frequently-visited Baraboo Hills has resulted in a revision of the stratigraphy of the Precambrian-aged bedrock. The Baraboo Quartzite is now divided into four informal members, and the maximum depositional age for the Baraboo Quartzite is 1714±17 million years old. These...-
Geology of the Baraboo Hills, Sauk and Columbia Counties, Wisconsin [plate 1]
2025
Map: 48.25 in x 29.25 in, scale 1:50,000
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GIS Data for Geology of the Baraboo Hills, Sauk and Columbia Counties, Wisconsin [dataset 1]
2025
GIS Data: GeMS Level 3 file geodatabase (.gdb file format) and GeoPackage (.gpkg file fomat)