University of Illinois Urbana-Champaign

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Showing 91–120 of 974 items
Thumbnail for Guide to the geology of the Pekin area, Tazewell and Mason Counties, Illinois
Guide to the geology of the Pekin area, Tazewell and Mason Counties, Illinois
Frankie, Wayne T.; Jacobson, Russell J.; Nelson, Robert S.

Thumbnail for Location of data points for Tazewell County, Illinois
Location of data points for Tazewell County, Illinois
Johnstone, Patrick D.; McGarry, Christopher S.

Thumbnail for Illinois River Bluffs Area Assessment
Illinois River Bluffs Area Assessment
Illinois Department of Natural Resources

Thumbnail for Illinois River Natural Resources Bibliography
Illinois River Natural Resources Bibliography
Pegg, Mark A.; Havera, Stephen P.

Thumbnail for Geologic mapping for environmental planning, McHenry County, Illinois
Geologic mapping for environmental planning, McHenry County, Illinois
Curry, B. Brandon; Berg, Richard C.; Vaiden, Robert