University of Illinois Urbana-Champaign

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Showing 781–810 of 3,797 items
Thumbnail for Chicago River/Lake Shore area assessment
Chicago River/Lake Shore area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Status of Endangered and Threatened Sand Area Species of the Illinois Flora
Status of Endangered and Threatened Sand Area Species of the Illinois Flora
Phillippe, Loy R.; Molano-Flores, Brenda; Murphy, Michael J.C.; Marcum, Paul B.; Ebinger, John E.

Thumbnail for The Current Status of Talinum rugospermum Holzinger in Illinois
The Current Status of Talinum rugospermum Holzinger in Illinois
Robertson, Kenneth, R.; Phillippe, Loy R.; Gehlhausen, Sophia M.

Thumbnail for Quaternary deposits and history of the ancient Mississippi River Valley, north-central Illinois
Quaternary deposits and history of the ancient Mississippi River Valley, north-central Illinois
McKay, E. Donald, III; Berg, Richard C.; Hansel, Ardith K.; Kemmis, Timothy J.; Stumpf, Andrew J.

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 Coke from Illinois coals Illinois
Coke from Illinois coals Illinois
Thiessen, Gilbert; Voskuil, Walter Henry; Grotts, Paul E.