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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.

September 23, 2020, 2:02 pm

This #WomenInSTEM Wednesday, we want to highlight Raven Baxter! A molecular biologist and science communicator finishing her PHD in science education, Raven strives to make science more fun and accessible especially for marginalized populations. She was recently featured in Forbes 40 under 40 in ... See more

Meet the influential people who are shaping this most unusual year.

September 21, 2020, 2:02 pm

This #Map Monday, we are highlighting #WGNHS's Door County Quaternary Map. Did you know? You can download most of #WGNHS' maps free on our website! You can get your own copy of this map here: http://ow.ly/c2Jk50BsWZb

September 18, 2020, 1:55 pm

Today we're highlighting an iconic landmark of Wisconsin geology, Van Hise Rock! At 1.7 billion years old, Van Hise Rock is composed of quartzite and phyllite that tells a fascinating geological history of folding and mountain-building events. Students and geologists from all over the Midwest ... See more

Wednesday, Alton Dooley put up a post about his visit to Van Hise Rock in Wisconsin. He included this photo of the famous rock with its upright (pretty much vertical) layers: Go read his description of the lithology for more detail, but essentially what you see here is an Oreo-like sandwich: pink ... See more

September 17, 2020, 5:20 pm

This #ThrowbackThursday, we're reminiscing about last fall when #WGNHS staff visited the Upham Woods Outdoor Learning Center during our staff field trip. Here, WGNHS staff are discussing and examining an outcrop during the field trip. Ah, memories!

📷: Sushmita Lotlikar

September 16, 2020, 7:09 pm

This #WaterWednesday, learn more about the last round of sampling for the Southwest Wisconsin Groundwater and Geology Study, with #WGNH's Director Ken Bradbury, and Mark Borchardt form the USGS.

Researchers have completed the fourth and final round of private well sampling to determine sources of fecal contamination in wells that were previously flagged for issues as part of an ongoing groundwater study in southwestern Wisconsin.

September 16, 2020, 4:01 pm

We're switching states for this week's #WomenInSTEM Wednesday! Dr. Erin Campbell currently serves as the State Geologist and Director of the Wyoming Geological Survey. A structural geologist by training, Campbell worked at Chevron, the University of Wyoming, and the Wyoming Survey's Energy and ... 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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