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  2. Landforms of Iowa | Iowa Geological Survey - College …

    A landscape is a collection of terrain features, or landforms. Iowa’s landforms are composed of earth materials derived from glacial ice, strong winds, flowing rivers, and marine environments during the geologic past.

     
  3. College of Engineering - Iowa Geology | Iowa …

    The Iowa Geological Survey is dedicated to conducting foundational research to help Iowans effectively manage our natural resources for long-term sustainability and economic development. Visit our Research page for more information.

  4. Data and Publications - Iowa Geological Survey

    The Iowa Geological Survey maintains a catalog of publications providing information on the geological resources of Iowa, including groundwater, bedrock, glacial materials, and mineral resources. Out-of-print/loan publications are no …

  5. Stratigraphy & General Geology - Iowa Geological …

    Studying Iowa’s nearly 3 billion year rock record has been one of the principle activities at the Iowa Geological Survey since its inception. Stratigraphic research focuses on the correlation by characterizing the lithology, distribution, and …

  6. Iowa Geological Survey | College of Engineering | The University …

  7. Southern Iowa Drift Plain | Iowa Geological Survey

    The topography of the Southern Iowa Drift Plain is perhaps most representative of “typical” Iowa landscapes. The Southern Iowa Drift Plain is certainly the largest of Iowa’s landform regions and it is the primary region travelers on Interstate 80 …

  8. Iowa Geological Survey - College of Engineering

    The Des Moines Lobe is the part of the state last touched by the huge sheets of frozen water that invaded Iowa in the past. This last glacial episode occurred only 12,000 to 14,000 years ago.

  9. Iowa’s Karst Topography | Iowa Geological Survey

    Visit the Iowa Department of Natural Resources website for more information about visiting hatcheries in Iowa. The Big Spring Basin is dominated by karst features—springs, sinkholes, and disappearing (losing) streams. For more …

  10. Geologic mapping at the Iowa Geological Survey

    Constructing a geologic map is a fundamental activity of a geologic survey. Examples include bedrock or surficial geologic maps, water resource maps, geologic hazard maps, or soil nutrient maps. IGS geologists assemble existing …

  11. An Iowa Perspective on Earthquakes - Iowa …

    Additional consequences could include medical and other evacuations from damaged areas to facilities in Iowa, aid from Iowa sent to stricken areas, and increased east-west traffic through Iowa compensating for routes severed at …

  12. Meteorites in Iowa | Iowa Geological Survey - College …

    If you find a rock that you suspect might be a meteorite, contact a college or university geology department or the Iowa Geological Survey in Iowa City. Learn about meteorites in Iowa in Iowa Geology, No. 18, 1993, p. 20–21 .

  13. Alluvial Plains | Iowa Geological Survey - College of Engineering

  14. Northwest Iowa Plains | Iowa Geological Survey - College of …

  15. College of Engineering - Hazards | Iowa Geological Survey

  16. From the State Geologist - Iowa Geological Survey

  17. Mineral Resources | Iowa Geological Survey - College of …

  18. Lacey-Keosauqua State Park - Iowa Geological Survey

  19. Iowa Geological Survey - College of Engineering - Iowa Geodes

  20. Sheldon Creek Formation | Iowa Geological Survey - College of ...

  21. New maps published as part of USGS STATEMAP program