Preliminary Quaternary Geology of Grant County, Wisconsin Open-file report; contains unpublished data that has not yet been peer-reviewed. Surficial Geology Data and Resources WOFR2012-06 Preliminary Quaternary Geology of Grant County, Wisconsin Carson, E.C.; 2012 Map: 30 in x 34 in, scale 1:100,000 Download ZIP WOFR2012-06-DI Preliminary Quaternary Geology of Grant County, Wisconsin [GIS data] Carson, E.C.; 2012 GIS Data: Shapefiles Download Related Collections Open-File Report View Open-File Report