University of Illinois Urbana-Champaign

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Showing 241–270 of 2,455 items
Thumbnail for Classification of the Pennsylvanian strata of Illinois
Classification of the Pennsylvanian strata of Illinois
Kosanke, Robert M.; Simon, J.A.; Wanless, H.R.; Willman, H.B.

Thumbnail for Chemical composition and geochemistry of the New Albany shale group (Devonian-Mississippian) in Illinois
Chemical composition and geochemistry of the New Albany shale group (Devonian-Mississippian) in Illinois
Frost, Joyce K.; Zierath, David L.; Shimp, Neil F.; Bergstrom, Robert Edward

Thumbnail for Water quality and agrichemical loading in two groundwater basins of Illinois' sinkhole plain
Water quality and agrichemical loading in two groundwater basins of Illinois' sinkhole plain
Panno, S.V.; Kelly, W.R.; Weibel, C.P.; Krapac, I.G.; Sargent, S.L.

Thumbnail for Mineral production in Illinois in 1956
Mineral production in Illinois in 1956
Busch, Willis L.; Voskuil, Walter Henry

Thumbnail for Mineral production in Illinois in 1955
Mineral production in Illinois in 1955
Voskuil, Walter Henry; Busch, Willis L.

Thumbnail for Illinois mineral industry in 1942
Illinois mineral industry in 1942
Voskuil, Walter Henry; Stevens, Douglas F.

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 Wisconsinan molluscan faunas of the Illinois Valley region
Wisconsinan molluscan faunas of the Illinois Valley region
Leonard, Arthur Byron; Frye, John Chapman