University of Illinois Urbana-Champaign

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Showing 541–570 of 2,925 items
Thumbnail for Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry

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 Preliminary report on portland cement materials in Illinois
Preliminary report on portland cement materials in Illinois
Lamar, John Everts; Machin, J.S.; Voskuil, W.H.; Willman, H.B.