Portrait of Keith Schilling

Iowa Rivers - Form and Function

Thursday, February 4, 2021
Keith Schilling, Iowa’s State Geologist, discusses river form and function for Iowa Rivers Revival and their Master River Stewards Program (MRSP).
IGS Geode magazine cover

The IGS Geode: A look at 2020

Monday, February 1, 2021
Please enjoy the latest issue of our annual report, The IGS Geode, which highlights the activities of the Iowa Geological Survey during 2020.
Image of Earth MRI map of Iowa

Earth MRI projects

Wednesday, September 30, 2020
The IGS partnered with more than a dozen other state surveys on two projects to assess the geochemistry of selected Pennsylvanian and Devonian bedrock formations.
Aerial photo of oxbow

Multi-purpose oxbows reduce nitrates

Thursday, June 4, 2020
New research shows that “multi-purpose oxbows” can effectively reduce nitrate-nitrogen, earning them a spot in the Iowa Nutrient Research Strategy’s menu of conservation options.
Allison Kusick, a geology major at the University of Iowa, holds a piece of the core sample she is analyzing

The Hawkeye State’s hidden potential may be its geology

Monday, January 7, 2019
University of Iowa geologists are leading an effort to determine the age of an underground formation that encompasses a 10-county region in northeast Iowa to determine if it is similar to a geologic complex beneath Duluth, Minnesota, that has minerals valued as high as $1 trillion.

IGS Blog: Having Our Say