The Wisconsin Geological and Natural History Survey (WGNHS) has been serving Wisconsin for over 125 years. Part of the Division of Extension at the University of Wisconsin–Madison, WGNHS provides objective scientific information about the geology, mineral resources, and water resources of Wisconsin. We conduct research, map Wisconsin’s geology, and share information through our publications and outreach.
WGNHS News
The Economics of State Geological Surveys
August 22, 2025 Mel Reusche, WGNHS Communications and Outreach Specialist How do we measure the impact of a map? A new study concludes that by investing in state geological surveys, we invest in our future. …
August 22, 2025
The WGNHS Mapping Status Portal: a new way to discover our maps
June 30th, 2025 Mel Reusche, WGNHS Communications and Outreach Specialist speaking with WGNHS Hydrogeologist Amy Wiersma Have you ever wondered what WGNHS maps are available for a specific area of Wisconsin? The WGNHS Mapping Status …
July 7, 2025
2024 Year in Review
Director’s Message I am pleased to share the Wisconsin Geological and Natural History Survey’s (WGNHS) 2024 Year in Review! It summarizes our main geological mapping projects, groundwater studies, data preservation efforts, and outreach activities from …
April 8, 2025
Unveiling the landscape: a new statewide map of the Quaternary Geology of Wisconsin
March 24th, 2025 Mel Reusche, WGNHS Communications and outreach specialist Ridges and valleys, lakes and marshlands, rolling hills and lakeshore cliffs – the landscapes we recognize across Wisconsin are the result of fascinating and complex …
March 24, 2025- More
Hot off the WGNHS press
Depth to Silurian bedrock in Eastern Wisconsin
April 3, 2025Water Quality in the Chequamegon-Nicolet National Forest
October 22, 2024New Water Table Datasets for Chippewa and Dunn Counties
August 9, 2024- More
The University of Wisconsin–Madison Division of Extension provides equal opportunities in employment and programming in compliance with state and federal law.