University of Illinois Urbana-Champaign

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Showing 4171–4200 of 9,703 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 Illinois River Bluffs Area Assessment
Illinois River Bluffs Area Assessment
Illinois Department of Natural Resources

Thumbnail for Irish modernism and the machine
Irish modernism and the machine
Weng, Julie McCormick

Thumbnail for Shawnee area assessment
Shawnee area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources, Illinois State Water Survey