Publications Catalog

Brief technical description of Wisconsin’s geologic history, glacial phases and lobes, and correlation and distribution of Pleistocene units. Heavily illustrated.

Devils Lake State Park is a place of striking geologic contrasts, where some of the oldest rock exposed in southern Wisconsin lies next to some of the youngest geologic materials in the state. The purple rock (called Baraboo quartzite) in the walls of Devils Lake gorge is more than 1.7 billion years old; the glacially deposited ridges that block both ends...

Annual summaries of metallic mineral exploration in Wisconsin for 1980-1987. Each summary includes statistical reviews of exploration activity, highlights of the year's activity, and reviews of legislative actions affecting exploration.

Description of the different types of wetlands in Wisconsin and their importance to the surrounding landscape. Illustrated with black and white photographs.

This booklet examines lake-level fluctuations by lake type for 28 Wisconsin lakes. Records span a period of 20 years or longer.