University of Illinois Urbana-Champaign

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Showing 7981–8010 of 36,504 items
Thumbnail for 1977 performance of commercial corn hybrids in Illinois / 1153
1977 performance of commercial corn hybrids in Illinois / 1153
Ross, Gerald Lee; Raymer, Paul Lindell; Graffis, Don W.

Thumbnail for A study of factors affecting the efficiency and design of farm septic tanks
A study of factors affecting the efficiency and design of farm septic tanks
Lehmann, Emil Wilhelm; Buswell, Arthur M.; Kelleher, Raymond Charles

Thumbnail for A study of factors affecting the efficiency and design of farm septic tanks
A study of factors affecting the efficiency and design of farm septic tanks
Lehmann, Emil Wilhelm; Buswell, Arthur M.; Kelleher, Raymond Charles