Bedrock Stratigraphic Units in Wisconsin Large and small posters of our bedrock stratigraphy chart. (Also available as a page-size publication with a brief explanation on how to read the rock column.) Bedrock Geology Precambrian Bedrock Data and Resources WOFR2006-06LG Bedrock Stratigraphic Units in Wisconsin [large] Wisconsin Geological and Natural History Survey; 2006 Poster: 32 in x 41 in Download WOFR2006-06SM Bedrock Stratigraphic Units in Wisconsin [small] Wisconsin Geological and Natural History Survey; 2006 Poster: 17.5 in x 23 in Download Related Collections Open-File Report View Open-File Report
