Precambrian Geology of Marathon County, Wisconsin Bedrock Geology Frac Sand Geophysics Precambrian Bedrock Data and Resources IC45 Precambrian Geology of Marathon County, Wisconsin LaBerge, G.L.; Myers, P.E.; 1983 Report: 88 p. + maps (scale 1:100,000) Download ZIP IC45-DI Precambrian Geology of Marathon County, Wisconsin [GIS data] LaBerge, G.L.; Myers, P.E.; 1983 GIS Data: Shapefiles, MrSID Download IC45-plate01 Bedrock Geology of Marathon County, Wisconsin [plate 1] LaBerge, G.L.; Myers, P.E.; 1983 Map: Scale 1:100,000 Download IC45-plate02 Aeromagnetics of Marathon County, Wisconsin [plate 2] 1983 Map: Scale 1:100,000 Download Related Collections Information Circular View Information Circular