Bedrock Geologic Map of Wisconsin Describes the types of rocks found throughout the state by age and explains how to interpret the accompanying cross section. Bedrock Geology Precambrian Bedrock Data and Resources M067 Bedrock Geology of Wisconsin (revised 2005) Wisconsin Geological and Natural History Survey; 1981 Map: 8.5 in x 11 in Download ZIP M078-DI Bedrock Geologic Map of Wisconsin [GIS data] Mudrey, M.G., Jr.; Brown, B.A.; Greenberg, J.K.; 1982 GIS Data: Coverage, MrSID files Download M078-paper Bedrock Geologic Map of Wisconsin Mudrey, M.G., Jr.; Brown, B.A.; Greenberg, J.K.; 1982 Map: 36 in x 24 in, scale 1:1,000,000 Download Related Collections Map View Map
