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Wisconsin Geological and Natural History Survey
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Geology research

The Economics of State Geological Surveys

Posted on August 22, 2025

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. …

Posted in Geology research, Staff stories, Water research, WGNHS blog, WGNHS researchTagged Research

The WGNHS Mapping Status Portal: a new way to discover our maps

Posted on July 7, 2025

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 …

Posted in Educational resources, Geology research, Staff stories, Water research, WGNHS blog, WGNHS researchTagged Research

Unveiling the landscape: a new statewide map of the Quaternary Geology of Wisconsin

Posted on March 24, 2025

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 …

Posted in Geology research, Staff stories, WGNHS blog, WGNHS researchTagged Quaternary, Research

Take note: making observations in the field

Posted on January 29, 2025

Survey geologist Sarah Bremmer stands on the side of the road with a blaze-orange vest and a notebook. She is conducting fieldwork for a new geologic map and is in the process of thoroughly describing …

Posted in Geology research, Staff stories, WGNHS blog, WGNHS researchTagged bedrock, Grant County, groundwater, hydrogeology

Implementing the Geologic Mapping Database Standard

Posted on May 15, 2024

This blog post was written by UW-Madison undergraduate Benji Johnson, who worked at WGNHS as a Social Media and Geology Assistant from 2021-2022. Includes May 2024 update from Pete Schoephoester and Mel Reusche. Caroline Rose, …

Posted in Geology research, WGNHS blog, WGNHS researchTagged Geospatial data, GIS

Researching erosion along Lake Michigan

Posted on March 19, 2024

This blog post was written by UW-Madison undergraduate student Lindsay Summers, who worked at WGNHS as a social media and geology Assistant for two years before graduating in 2023. Includes March 2024 update from Elmo …

Posted in Geology research, WGNHS blog, WGNHS researchTagged Erosion, Lake Michigan, Quaternary, Research

Aerial survey in northeast Wisconsin

Posted on January 11, 2021

In January 2021, northeastern Wisconsinites may notice a low-flying helicopter towing a large, hoop-shaped sensor. The helicopter’s sensor uses airborne electromagnetic (AEM) technology to gather data that will help scientists update depth to bedrock maps. …

Posted in Geology research, Water research, WGNHS blog, WGNHS news, WGNHS researchTagged bedrock, hydrogeology, karst

Investigating bluff collapse along Lake Michigan

Posted on February 12, 2019

J. Elmo Rawling III, a WGNHS Quaternary geologist, is working with Dr. Lucas Zoet in UW–Madison’s Department of Geoscience to monitor bluff stability to identify what conditions are likely to lead to slope failure in …

Posted in Geology research, Staff stories, WGNHS blog, WGNHS research

Minerals of Wisconsin

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