University of Illinois Urbana-Champaign

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Showing 7771–7800 of 17,913 items
Thumbnail for Washability tests of Illinois coals
Washability tests of Illinois coals
Callen, Alfred Copeland; Mitchell, David Ray

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

Thumbnail for The Information Needs of Local Union Officials
The Information Needs of Local Union Officials
Chaplan, Margaret A.; Hertenstein, Edward J.