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Wisconsin's state fossil, Calymene celebraLink to People page (staff photo taken during 2016 field trip)

Wisconsin Geological & Natural History Survey

The Wisconsin Geological and Natural History Survey (WGNHS) has been working to serve Wisconsin for over 100 years. Part of University of Wisconsin-Madison Division of Extension, we provide objective scientific information about the geology, mineral resources, and water resources of Wisconsin.
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyJan 25, 2020 @ 1:00pm
Trying to remember to write "2020" instead of "2019" #SaturdaySmile 😆
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyJan 24, 2020 @ 8:00pm
"Fossils that some scientists thought to be a separate species were likely adolescent Tyrannosaurus rexes, a new study says." #FossilFriday #NYTimes
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyJan 23, 2020 @ 8:00pm
"A few happy geological survey friends ready for a big 1930. Hoping you are the same and with fossilferous greetings. Raymond Cecil Moore." (state geologist of Kansas at the time) https://digital.library.wisc.edu/1711.dl/FN672PKPPD2QB8Q #TBT
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyJan 23, 2020 @ 6:09am
IN THE NEWS: PFAS rulemaking process moving forward at DNR (https://dnr.wi.gov/topic/contaminants/PFAS.html). The "forever chemical" is also the "everywhere chemical". Image credits MiDEQ and Wi State Journal.
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyJan 22, 2020 @ 8:00pm
"One of the grains analyzed in a study published today in the Proceedings of the National Academy of Sciences is estimated to be roughly 7 billion years old, making it the oldest known material on Earth"

https://www.smithsonianmag.com/science-nature/meteorite-grains-are-oldest-known-solid-material-on-earth-180973953/

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As of January 1, 2020, we are no longer selling printed maps or publications; all of our material is still available for free downloads.