University of Illinois Urbana-Champaign

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Showing 6121–6150 of 6,297 items
Thumbnail for Illinois River Bluffs Area Assessment
Illinois River Bluffs Area Assessment
Illinois Department of Natural Resources

Thumbnail for Potential water resources of Southern Illinois
Potential water resources of Southern Illinois
Roberts, Wyndham J.; Hanson, Ross; Huff, Floyd A.; Changnon Jr., Stanley A.; Larson, Thurston E.