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2020 Year in Review

Director’s Message 2020 was one of the most unusual years in the long history of the Wisconsin Geological and Natural History Survey. January began normally, with WGNHS staff involved primarily in office projects and participating in the normal sequence of winter professional me
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New Publications at the Survey

Supplemental report for the Dodge County bedrock map
We've recently released a number of new publications available for purchase and free to download. Titles include Wisconsin's Geologic Past (poster); Glaciation of Wisconsin; and Quaternary Geology of Sheboygan County, Wisconsin.
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Southwest Wisconsin groundwater and geology study (SWIGG)

Farmland and tree-covered rolling hills of the Driftless Area in southwest Wisconsin (photo by Eric Carson, WGNHS)
Southwest Wisconsin has fractured bedrock beneath generally thin soils, putting groundwater at risk for contamination. The purpose of this study is to improve our understanding of groundwater quality in southwest Wisconsin and to better understand how local hydrogeology and well const
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Jady Carmichael

Amber Boudreau

Amber Boudreau with a gray sky in the background

3-D Wisconsin Map

When viewed with 3-D glasses, Wisconsin’s land features pop off the page. Brief descriptions of major land forms paint the geologic history that shaped the state; expanded descriptions and photos are online. We’ve field-tested this map on fourth graders and can attest to its appeal. S
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Well records

Since 1936 well drillers have been required by the Department of Natural Resources (DNR) to file a well construction report (WCR) for any well drilled for drinking water, irrigation, and other uses. WCRs typically contain information about the well owner, owner’s mailing address, loca
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Interactive data resources

Springs in Wisconsin In this story map, visitors can learn about the geology and history of Wisconsin’s springs and also view data from our most recent springs inventory. WGNHS Data Viewer This interactive map provides online access to two of our rapidly growing collections—geop
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WGNHS Data Viewer (web app)—geophysical logs and Quaternary cores

screenshot linking to WGNHS Data Viewer web app
WGNHS Data Viewer, our new interactive map, provides online access to two of our rapidly growing collections—geophysical logs and Quaternary core. Geophysical logs are used to understand the subsurface by geologists and hydrogeologists, municipal water utility operators, and by water-
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US Geological Survey Topographic Maps

All-purpose maps that can be useful for a variety of activities such as landform identification, cross-section drawing, and determining elevations. Use the Index to Topographic Maps of Wisconsin to determine the names of the maps you need or visit the topoView to search online.
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