University of Illinois Urbana-Champaign

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Showing 1–30 of 187 items
Thumbnail for Costs and benefits of soil conservation in Northeastern Illinois
Costs and benefits of soil conservation in Northeastern Illinois
Sauer, Elmer Louis; McGurk, J.L.; Norton, Laurence Joseph

Thumbnail for Sedimentation Survey of Lake Decatur, Decatur, Illinois
Sedimentation Survey of Lake Decatur, Decatur, Illinois
Bogner, William C.; Fitzpatrick, William P.; Bhowmik, Nani G.

Thumbnail for Sedimentation and Hydrologic Processes in Lake Decatur and Its Watershed
Sedimentation and Hydrologic Processes in Lake Decatur and Its Watershed
Fitzpatrick, William P.; Bogner, William C.; Bhowmik, Nani G.

Thumbnail for Physiographic divisions of Illinois
Physiographic divisions of Illinois
Leighton, Morris M.; Ekblaw, George E.; Horberg, Leland