A new research paper by State Geologist Keith Schilling and Iowa DNR collaborators, Calvin Wolter and Jason Palmer, reports, for the first time, the extent of severe streambank erosion occurring in Iowa’s rivers and streams.

Keith Schilling, Iowa’s State Geologist, discusses river form and function for Iowa Rivers Revival and their Master River Stewards Program (MRSP).

Please enjoy the latest issue of our annual report, The IGS Geode, which highlights the activities of the Iowa Geological Survey during 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.

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.

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.