Resources by State

Geologic maps of individual US states. (Digital geologic maps of US states with consistent lithology, age, GIS database structure, and format.).

Illinois

Frankie, W., 2004, Guide to Rocks and Minerals of Illinois. Geoscience Education Series 16. 69 p.
Illinois Geological Survey.
Illinois Department of Natural Resources.

Camp, M. J., & Richardson, G. T., 1999, Roadside geology of Indiana. Mountain Press Publ.: Missoula, MT.
Bedrock Geology of Indiana, Indiana Geological Survey.
Indiana Geological Survey.
Indiana Department of Natural Resources.

Anderson, W.I., 1998, Iowa’s geological past: Three billion years of change. University of Iowa Press, Iowa City, 440 p.
Iowa Geological Survey.
Iowa Department of Natural resources, Environment.

Barker, C. F.,2005, Under Michigan the story of Michigan’s rocks and fossils. Wayne State University Press: Detroit.
Mueller, B., & Gauthier, K.,2010, Lake Huron rock picker’s guide. University of Michigan Press: Ann Arbor.
Michigan Geological Survey.
Michigan Department of Natural Resources.

Gauthier, K., & Mueller, B., 2007, Lake Superior rock picker’s guide. University of Michigan Press: Ann Arbor.
Ojakangas, R. W., 2009, Roadside geology of Minnesota. Mountain Press Publ.: Missoula, MT.
Ojakangas, R. W., & Matsch, C. L., 1982, Minnesota’s geology. Minneapolis: University of Minnesota Press.
Sansome, C. J., & Sansome, K. N., 1983, Minnesota underfoot: a field guide to the state’s outstanding geologic features. Boyageur Press: Bloomington, MN.
Natural History: Minnesota’s Geology, Minnesota Department of Natural Resources.
Minnesota Geological Survey.
Minnesota Department of Natural Resources.

Dott, R. H., & Attig, J. W., 2004, Roadside geology of Wisconsin. Mountain Press Publ.: Missoula, MT.
LeBerge, G.L.,1994, Geology of the Lake Superior Region, Geoscience Press, 309 p.
Wisconsin Geology, Wisconsin Geological & Natural History Survey.
Wisconsin Geological Survey and Natural History.
Wisconsin Department of Natural Resources.