University of Illinois Urbana-Champaign

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Showing 331–360 of 1,711 items
Thumbnail for Future Water Demands of Public Surface Water Supply Systems in Illinois
Future Water Demands of Public Surface Water Supply Systems in Illinois
Singh, Krishan P.; Broeren, Sally McConkey; King, Robin B.; Pubentz, Michael L.

Thumbnail for Current developments in coal
Current developments in coal
Mineral Industries Conference of Illinois (5th : 1938 : Urbana)

Thumbnail for Other Federal Activities
Other Federal Activities
Shachtman, Bella E.

Thumbnail for Bibliography and index of Illinois geology through 1965
Bibliography and index of Illinois geology through 1965
William, H.B.; Simon, Jack A.; Lynch, Betty M.; Langenheim, Virginia A.