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Wisconsin's state fossil, Calymene celebra

The Wisconsin Geological and Natural History Survey (WGNHS) has been serving Wisconsin for over 100 years. Part of the University of Wisconsin-Madison Division of Extension, we provide objective scientific information about the geology, mineral resources, and water resources of Wisconsin.

March 5, 2021, 6:01 pm

As Wisconsin starts to shift into spring, the melting winter snow contributes to flood risks in various areas around the state. If you’re concerned about flooding, you may want to check out one of these Spring Flood Outlook resources from the regional U.S. National Weather Service (NWS) office ... See more

March 4, 2021, 4:20 pm

WGNHS has a busy day today at the second and final day of Wisconsin AWRA's virtual annual meeting! Mike Parsen, Eric Stewart, Maureen Muldoon, and Dave Hart are all giving talks. (Shoutout to Survey student Lisa Haas, who is also giving a talk on her research through UW-Madison!) In addition to the ... See more

March 4, 2021, 3:44 pm

This morning at the Wisconsin AWRA's plenary session of #WIAWRA2021, our retired outreach manager Carol McCartney received a Distinguished Service Award for her immense contributions throughout her career, both through her work as a scientist and as an educator and mentor. Ken Bradbury, our ... See more

March 3, 2021, 6:01 pm

Has your home has become a little extra noisy during the pandemic? It's no match for whales! Scientists recently found that the 189-decibel song of the fin whale can be used as a seismic echo to see what's beneath the Earth's crust. Data recorded in three locations showed an oceanic crust ... See more

Fin whale calls can penetrate into Earth’s crust, offering scientists a new way to study the properties of the ocean floor.

March 3, 2021, 2:00 pm

Today is Day 1 of the Wisconsin AWRA 2021 annual meeting! Several of our staff members are participating in this virtual conference. This afternoon, Anna Fehling is giving a short talk about geologic influences on cold-water trout habitat in the Marengo River headwaters, and Mike Parsen and Maureen ... See more

March 2, 2021, 6:01 pm

One of our ongoing projects at the Survey is the Earth MRI Data Preservation project. The aim of this project is to support U.S. Geological Survey (USGS) efforts to identify priority areas with the potential for hosting critical minerals in Wisconsin!

Here at the Survey we a have huge collection ... See more


To mitigate the spread of COVID-19 our staff are working remotely until further notice. Thanks for your patience in this difficult time. Stay well. Read more...

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