Publications Catalog

The elevation of the bedrock surface in Wisconsin is an important metric for decision makers around the state. Here, data and interpretations from a variety of sources were compiled to model the statewide, three-dimensional bedrock surface using modern GIS tools.

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....