In this March 2019 talk for Wednesday Nite @ The Lab (WN@TL), WGNHS geologist Esther Stewart shares her insights into some of Wisconsin’s oldest rocks. It’s a story of reading the deep-time sedimentary record and …
WGNHS blog
2018 Year in Review
2018 was another busy year for the Survey. We worked on projects across Wisconsin, from the bluffs of Lake Michigan to Bayfield County, from the Driftless Area to the Door County peninsula and many parts …
Pulling together the pieces of the Bayfield County Groundwater Atlas
WGNHS geologist Grace Graham is producing a map of the depth to bedrock in Bayfield County using a passive-seismic geophysical survey to supplement data from well construction reports. The combination of new methods (passive seismic) …
Big Data from Small Streams (and Small Lakes—the 2018 Update)
Dave Hart, a WGNHS hydrogeologist, is designing and implementing a project that is challenging ideas about how much data is enough data. Dave collects data and uses models to understand Wisconsin’s water quantity and quality …
Investigating bluff collapse along Lake Michigan
J. Elmo Rawling III, a WGNHS Quaternary geologist, is working with Dr. Lucas Zoet in UW–Madison’s Department of Geoscience to monitor bluff stability to identify what conditions are likely to lead to slope failure in …
Mapping the Ice Age Deposits of Jefferson County
Libby Ives is a research assistant and a PhD student at UW–Milwaukee and a field assistant at the Survey. With the Survey’s Elmo Rawling, Libby is mapping the Pleistocene (Ice Age) geology in Jefferson County. …
Mapping the Springs of Wisconsin
Springs can be vulnerable to human activities that cause groundwater pollution or depletion. In this August 2018 talk for Wednesday Nite @ The Lab (WN@TL), Sue Swanson (Beloit College) and Grace Graham (WGNHS) describe the …
Groundwater, Wetlands, and Geology: The Invisible Links
Why do wetlands occur where they do? Where does their water come from? How are they connected to the groundwater systems around them? In this April 2018 talk for Wednesday Nite @ The Lab (WN@TL), …
2017 Year in Review
In 2017, Survey staff worked in 69 Wisconsin counties. We mapped geology, inventoried springs, and created groundwater models. We provide natural resource managers – land and water conservationists, county boards, and water utilities – with …
2016 Year in Review
In 2016, Survey staff worked in 64 Wisconsin counties. We mapped geology, inventoried springs, and created groundwater models. We provide natural resource managers – land and water conservationists, county boards, and water utilities – with …