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Hot off the Press

Depth to Silurian bedrock in Eastern Wisconsin

Posted on April 3, 2025

  This Data Series is a depth-to-bedrock product for a large portion of eastern WI where Silurian dolomite is the uppermost bedrock. An online version of the map can be found here. This map can …

Posted in Hot off the PressTagged bedrock, Columbia County, Sauk County

Water Quality in the Chequamegon-Nicolet National Forest

Posted on October 22, 2024

  This project in the Chequamegon-Nicolet National Forest was lead by State Geologist Sue Swanson with WGNHS hydrogeologists G. Graham and Peter Chase, and is a partnership with United States Forest Service. This data series …

Posted in Hot off the PressTagged bedrock, Columbia County, Sauk County

Geologic map of Mill Bluff State Park, Monroe and Juneau counties, Wisconsin

Posted on October 11, 2024

  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 …

Posted in Hot off the PressTagged bedrock, Juneau County, Monroe County

New Water Table Datasets for Chippewa and Dunn Counties

Posted on August 9, 2024

  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, …

Posted in Hot off the PressTagged bedrock, Columbia County, Sauk County

Wisconsin Groundwater-Level Monitoring Network Improvements, 2020-2022

Posted on August 9, 2024

  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 …

Posted in Hot off the PressTagged bedrock, Columbia County, Sauk County

Bedrock Geology of Jefferson County, Wisconsin

Posted on March 20, 2024

  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 …

Posted in Hot off the PressTagged bedrock, Columbia County, Sauk County

Geologic Map of the Highland West and Highland East 7.5-Minute Quadrangles, Grant and Iowa Counties, Wisconsin

Posted on March 18, 2024

  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 …

Posted in Hot off the PressTagged bedrock, Columbia County, Sauk County

Geologic Map of the Durwards Glen 7.5-Minute Quadrangle, Columbia and Sauk Counties, Wisconsin

Posted on March 4, 2024

  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 …

Posted in Hot off the PressTagged bedrock, Columbia County, Sauk County

Inventory and Analysis of Flowing Artesian Wells in Bayfield County, Wisconsin

Posted on January 22, 2024

This report presents a county-wide inventory of flowing artesian wells in Bayfield County. Flowing artesian wells are a remarkable resource of high-quality water that both community members and tourists value. This report provides baseline water …

Posted in Hot off the PressTagged Bayfield County, hydrogeology

Geologic Carbon Sequestration: Assessment of Mid-Continent Rift Core Porosities and Permeabilities in Wisconsin

Posted on January 19, 2024

This report presents results from a study investigating the potential for carbon dioxide sequestration in the ancient Keweenawan sedimentary formations in northern Wisconsin. Bedrock drill core from the Copper Harbor and Nonesuch formations were examined …

Posted in Hot off the PressTagged bedrock, hydrogeology, permeability, porosity
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