How to read a geologic map
A brief primer on geologic maps: What they are, how they’re made, and how they’re used.
Evolution of Wisconsin bedrock maps
An overview of changes in state bedrock maps between 1869 and today.
Wisconsin’s geologic outcrops
We’ve described over 100 of Wisconsin’s outcrops. Find and read about them using our map.
An introduction to the physical properties of Wisconsin’s bedrock aquifers and aquitards. Includes porosity and density data for dolomite, shale, and sandstone.
Educational material (publications, maps)
Check out our collection of posters, publications, and maps that were designed for use in classrooms.