The Geologic Map of the Mill Bluff State Park provides a detailed look at the bedrock geology present at one of Wisconsin’s most cherished natural sites. The map and accompanying report present the Paleozoic …
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New Water Table Datasets for Chippewa and Dunn Counties
Digital versions of water table maps have been appended to two existing publications, originally authored by Irene Lippelt in 1988: Generalized Water-Table Elevation of Dunn County, Wisconsin and Generalized Water-Table Elevation of Chippewa County, …
Wisconsin Groundwater-Level Monitoring Network Improvements, 2020-2022
This report documents work completed as part of a grant from the U.S. Geological Survey’s National Groundwater Monitoring Network (NGWMN) program. It provides an overview of the Wisconsin Groundwater-Level Monitoring Network (WGLMN) and provides …
Working with Wisconsin educators
This blog post was written by UW-Madison undergraduate Shayla Barrera-Skibinski, who worked at WGNHS as a Social Media and Geology Assistant from 2022-2024. Includes June 2024 update by Mel Reusche. Where does our drinking water …
Implementing the Geologic Mapping Database Standard
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, …
2023 Year in Review
Director’s Message For over 125 years the Wisconsin Geological and Natural History Survey (WGNHS) has provided objective scientific information about Wisconsin’s geology, mineral resources, and water resources, and it is an honor to share new …
Bedrock Geology of Jefferson County, Wisconsin
Located in southeast Wisconsin, Jefferson County is almost entirely blanketed by sediments that were delivered or shaped by the ice sheet that covered this area during the last ice age. New mapping interprets the …
Researching erosion along Lake Michigan
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 …
Geologic Map of the Highland West and Highland East 7.5-Minute Quadrangles, Grant and Iowa Counties, Wisconsin
The geologic map of the Highland West and Highland East 7.5-minute quadrangles includes 1:24,000-scale mapping of both surficial and bedrock geology. Highland was a long-lived and important sub-district of the Upper Mississippi lead-zinc mining …
Geologic Map of the Durwards Glen 7.5-Minute Quadrangle, Columbia and Sauk Counties, Wisconsin
The geologic map of the Durwards Glen 7.5-minute quadrangle map is located in Columbia and Sauk counties, southeast of the city of Baraboo. This geologic map includes Precambrian through Quaternary units. New mapping has …