Publications Catalog

This 1:500,000 scale map of Wisconsin depicts sediment deposited by glaciers, streams, wind, and other processes during the Quaternary Period (2.58 million years ago to present). The map was made by compiling detailed Quaternary mapping and lithostratigraphic studies previously conducted by the WGNHS to generate consistent statewide Quaternary map units....

This 180-page book marks the first update in over 20 years to the collection of formal definitions of Wisconsin's Pleistocene units. Contains over 100 color maps, photographs, and figures as well as an extensive list of references.