Logo for Wisconsin Geological and Natural History Survey
Wisconsin's state fossil, Calymene celebraLink to People page (staff photo taken during 2016 field trip)

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.

July 8, 2020, 4:03 pm

DYK? Wisconsin is home to a wealth of minerals, with incredible variety found throughout the state. Here are just a few!
Learn more at https://wgnhs.wisc.edu/wisconsin-geology/minerals-wisconsin/
#WGNHSoutreach

July 7, 2020, 4:02 pm

Esther and Eric Stewart (WGNHS) will test the hypothesis that the probability of detecting low to moderate arsenic in drinking water is related to proximity to Paleozoic folds and related fracture networks. More https://arcg.is/1TSKGf #WGNHSresearch
#outstandinginourfield

July 7, 2020, 4:00 pm

Esther and Eric Stewart (WGNHS) will test the hypothesis that the probability of detecting low to moderate arsenic in drinking water is related to proximity to Paleozoic folds and related fracture networks. More https://arcg.is/1TSKGf

July 6, 2020, 4:00 pm

How do we communicate the accuracy of a map?
UW-Madison MS student, Mengze Cai, will lead a collaborative effort to: 1) develop a statistical model to quantitatively calculate uncertainty in the depth of the entire Dodge County bedrock surface, and 2) visualize that uncertainty on a map. ... See more

July 5, 2020, 4:00 pm

Our #StaffSpotlight is on Steve Mauel, Geographic Information Systems (GIS) Specialist. He is working on SWIGG, STATEMAP and lots more. Read about it at https://wgnhs.wisc.edu/about/people/steve-mauel/. #WGNHSresearch

July 4, 2020, 4:02 pm

The bang, flash, sparkle, and colors of fireworks all come from specific minerals, http://ow.ly/8S6i50Aoqm9 #FourthOfJuly

WGNHS OFFICES ARE CLOSED.

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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