UW Extension
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-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 SurveyMay 26, 2018 @ 12:30pm
Life has ups and downs... enjoy the ups... #SaturdaySmile #geojoke
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyMay 26, 2018 @ 12:00pm
TEACHERS: look no further than our Pinterest for great boards ands pins like this one, which can help you explain the volcanoes in Hawaii! #LearnSomethingToday #volcanos
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyMay 25, 2018 @ 1:00pm
#FossilFriday An extremely well preserved tetrapod from the Carboniferous Mazon Creek fauna, currently being studied at Carleton University. (From Twitter user @WensThomp )
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyMay 25, 2018 @ 9:00am
Which came first the chicken or the egg? Finally an answer to world's most asked question! #WhichCameFirst http://ow.ly/yygI30k12HF
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyMay 24, 2018 @ 5:00pm
Pete Chase will present WGNHS plans for the Central Sands Lake Study at the Long Lake meeting on Saturday, May 26, beginning at 8:30 a.m. at the Oasis Town Hall in Plainfield, WI.
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyMay 24, 2018 @ 2:52pm
The Trempealeau River near Dodge, Wis., is pictured Tuesday, May 22, 2018, after a settling pond was drained at a local frac sand mine to help rescue a worker whose bulldozer slid into the pond. (Peter Thompson / La Crosse Tribune)