Logo for Wisconsin Geological and Natural History Survey
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.

January 15, 2021, 5:05 pm

New year, new publication! This new WGNHS report documents a one-year study of six wetlands in #DoorCounty. Door County has numerous wetlands, many of which are fed by #groundwater. The research team, led by hydrogeologist Dave Hart, recorded water quality and quantity discharging to each wetland ... See more

January 14, 2021, 6:01 pm

Winter snow often blankets massive geological outcrops, making mineral viewing and fossil field trips more difficult. Therefore, look to the sky! WGNHS has a lesson plan using meteorites in Wisconsin as a model to help students understand the scientific method.

This and other lesson plans can be ... See more

January 13, 2021, 6:01 pm

New England photojournalist Erik Hoffner showcases the elegance of ice through his "Ice Visions" exhibit at the Brattleboro Museum & Art Center, a 20-year photo collection curated to illustrate the hidden wonders found among Hoffner's local winter landscapes. These stunning microcosms are best seen ... See more

January 12, 2021, 6:05 pm

Did you know that the Earth "sings"? Geoscientists at The University of Utah are investigating this earthly music at Arches National Park. As it turns out, the wind moving around the arches and towers vibrates them like the strings on a guitar!

Want to learn more about this intriguing natural ... See more

January 11, 2021, 4:10 pm

🚨 Heads up, northeast Wisconsin! The aerial depth to bedrock surveys begin today! The data gathered will be used to help protect WI's groundwater. Learn more at https://aemsurvey.wi.gov

🚁 Check out the project's flight tracker (updated daily) to see the survey's progress: ... See more

January 10, 2021, 5:05 pm

🚁 The aerial geophysical survey in northeastern Wisconsin begins this week! The map below shows the survey area. To see some examples of how the helicopter and mapping instrument for measuring depth to bedrock look in action, check out this video: https://youtu.be/qSTddN9njuk

For more ... 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...

Explore our website

Learn about our research