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Iowa Geological Survey staff (front row, l to r): Jason Vogelgesang, H. Paul Liu, Stephanie Surine, Rick Langel, and Philip Kerr; (second row, l to r) Nate Young, Zachary Demanett, Matthew Streeter, Ryan Clark, Keith Schilling, and Mike Gannon.

Iowa Geological Survey staff (front row, l to r): Jason Vogelgesang, H. Paul Liu, Stephanie Surine, Rick Langel, and Phillip Kerr; (second row, l to r) Nate Young, Zachary Demanett, Matthew Streeter, Ryan Clark, Keith Schilling, and Mike Gannon.

The Iowa Geological Survey (IGS) is a recognized leader in the geologic and hydrogeologic sciences. IGS is building on its rich scientific heritage, while serving Iowans through research, education, and outreach. In 2014, the IGS joined IIHR—Hydroscience & Engineering (IIHR), a research institute within the University of Iowa’s College of Engineering. IIHR and IGS researchers are working together to strengthen the research, education, and service programs that have been the foundation of each organization. The classification, management, and conservation of the state’s geological resources are vital for Iowa’s economic stability and growth. As a reliable source of information on water, mineral, rock, soil, and energy resources, the IGS can help resolve environmental issues and provide guidance for all stakeholders.


  • Announcements:

    The IGS is pleased to announce the release of its newest web application, IGS Pump Test. IGS Pump Test gives users electronic access to IGS’ collection of aquifer pumping test data and results. This information can be used to evaluate long term well yields, and to construct and calibrate groundwater flow models. IGS Pump Test can be accessed here.
  • RAGBRAI Brochures

    2016 "Learn About the Land" brochures are now available for download here. Riders can pick up brochures at the University of Iowa's Mobile Museum at Expo and at each overnight stop, while supplies last! Also look for volunteers from the USGS distributing brochures at RAGBRAI campgrounds early in the week.
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Last modified on July 5th, 2016
Posted on April 10th, 2014