University of Illinois Urbana-Champaign

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Showing 3571–3600 of 14,481 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 Guide to the geology of Moraine Hills, Glacial Park, and Volo Bog areas, McHenry and Lake Counties, Illinois
Guide to the geology of Moraine Hills, Glacial Park, and Volo Bog areas, McHenry and Lake Counties, Illinois
Frankie, Wayne T.; Miner, James J.; Benton, Steven E.; Pociask, Geoffrey E.; Plankell, Eric T.; Stumpf, Andrew J.; Jacobson, Russell J.

Thumbnail for Lower Sangamon River area assessment
Lower Sangamon River area assessment
Submitter: Steven Mccauley