University of Illinois Urbana-Champaign

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Showing 271–300 of 6,499 items
Thumbnail for A guide to the geology of the Danvers-Normal area
A guide to the geology of the Danvers-Normal area
Reinertsen, David L.; Nelson, Robert S.

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 Illinois mineral industry in 1944
Illinois mineral industry in 1944
Voskuil, Walter Henry; Stevens, Douglas F.

Thumbnail for Annual report : fiscal year 1997 (July 1, 1996 - June 30, 1997)
Annual report : fiscal year 1997 (July 1, 1996 - June 30, 1997)
Illinois. Waste Management and Research Center

Thumbnail for Illinois mineral industry in 1945
Illinois mineral industry in 1945
Voskuil, Walter Henry; Stevens, Douglas F.; Hamrick, Nina T.