University of Illinois Urbana-Champaign

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Showing 7231–7260 of 9,542 items
Thumbnail for Illinois mineral industry in 1941
Illinois mineral industry in 1941
Voskuil, Walter Henry; Stevens, Douglas F.; Oliver, G.N.

Thumbnail for The Procedures, Observations, and Results of a Mixing Zone Study for Combined Sewer Overflows at Peoria, Illinois
The Procedures, Observations, and Results of a Mixing Zone Study for Combined Sewer Overflows at Peoria, Illinois
Butts, Thomas A.; Evans, Ralph L.; Shackleford, Dana B.; Schnepper, Donald H.