Preliminary bedrock geology of Dane County, Wisconsin (Open-File Report 2013-01)
e’ve been making maps of Wisconsin since the 1800s. Here we offer our collection of maps, GIS data, and data sets. Most are available as free downloads.
3817 Mineral Point Road
Madison, Wisconsin 53705-5100
Question about Wisconsin geology?
Contact one of our experts!
12:00–4:30 PM, M–F