University of Illinois Urbana-Champaign

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Showing 9241–9270 of 12,798 items
Thumbnail for Research needs of Illinois' coal industry; a symposium relating to recovery, preparation, marketing practice, utilization, and basic research presented at quarter centennial celebration of Illinois State Geological Survey, April 30, 1930.
Research needs of Illinois' coal industry; a symposium relating to recovery, preparation, marketing practice, utilization, and basic research presented at quarter centennial celebration of Illinois State Geological Survey, April 30, 1930.
Ketchum, Milo Smith; Garcia, John Adrian; Holbrook, Elmer Allen; Willard, Arthur Cutts; Severns, William Harrison; Parr, Samuel Wilson; Thiessen, Rhinehardt; Honnold, Fred C.

Thumbnail for Engineering and legal aspects of land drainage in Illinois.
Engineering and legal aspects of land drainage in Illinois.
Pickels, George Wellington; Leonard, Frank Bonner, b. 1891.