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Please view our new website


Our new website is available at at


As a part of IIHR—Hydroscience & Engineering (IIHR), a research institute within the University of Iowa’s College of Engineering, IGS continues to build on its rich scientific heritage, while serving Iowans through research, education, and outreach.


  • IGS Rock Library tour

    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.

  • IGS Interactive Maps

    image of start page on IGS Interactive Maps

    The IGS Interactive Maps page is now available




Last modified on September 15th, 2020
Posted on April 10th, 2014