Welcome!
The Iowa Geological Survey’s annual report, the IGS Geode, is now available.
IGS is a recognized leader in the geologic and hydrogeologic sciences.
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
