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Bedrock Geology of Wisconsin, Northwest Sheet
Types of bedrock, formation names, major faults, and time period of formation.-
Bedrock Geology of Wisconsin, Northwest Sheet
1987
Map: 37.5 in x 22 in, scale 1:250,000 (map), 35.5 in x 20 in (explanation and cross sections)
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Precambrian Geology of Marathon County, Wisconsin
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GIS Data for the Precambrian Geology of Marathon County, Wisconsin (version 2) [dataset 1]
1983
GIS Data: GeMS file geodatabase, shapefiles, GeoPackage, and metadata. Supersedes previous shapefile format (DI version 1)