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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 SurveyJun 19, 2019 @ 5:01pm
Find out more about the work of the Survey on Drinking Water Quality at https://wgnhs.wisc.edu/water-environment/drinking-water-quality/ #WGNHSresearch #WaterWednesday
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyJun 19, 2019 @ 5:00am
#WaterWednesday In Madison's Lake Mendota "If you’re looking for someone to thank for this clear water, look no further than one of Lake Mendota’s tiniest residents. A little native zooplankton called Daphnia pulicaria "
Wisconsin Geological & Natural History Survey
What’s Behind This Extended Phase of Crazy-Clear Water in Lake Mendota?
Last Friday, Center for Limnology lab technician, Petra Wakker, headed out to the middle of Lake Mendota to collect some routine data on conditions in the lake. As she unwound the rope holding limnology's oldest tool, the Secchi disk, and…
blog.limnology.wisc.edu
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyJun 18, 2019 @ 5:01pm
" Reliving the last day of the dinosaurs. Geologic sites are telling the story of the asteroid impact that abruptly changed life on Earth" (Click: https://www.sciencenewsforstudents.org/article/reliving-last-day-dinosaurs) #TeachingTuesday
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyJun 18, 2019 @ 10:00am
"At least 12 people have been killed and more than 100 injured in a strong earthquake which shook the south-western Chinese province of Sichuan." #GeoNews
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyJun 18, 2019 @ 5:00am
#TrilobiteTuesday How big is the trilobite? So.o.o.o.o big! More at AMNH https://tinyurl.com/y9nb78wt
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyJun 17, 2019 @ 5:01pm
Half-price clearance sale for WGNHS publications starts July 1st. All maps, all publications included! Closing Map Sales end of 2019.
https://wgnhs.wisc.edu/publications-home/

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Map Sales Announcement

Map Sales will be closing at the end of 2019. Stock up on paper copies of your favorite maps and publications while supplies last.