University of Illinois Urbana-Champaign

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Showing 1–30 of 16,037 items
Thumbnail for INHS Reports, November/December 1998
INHS Reports, November/December 1998
Illinois Natural History Survey

Thumbnail for Directory of Illinois mineral producers 1992
Directory of Illinois mineral producers 1992
Samson, Irma; Masters, John M.

Thumbnail for Directory of Illinois mineral producers 1974
Directory of Illinois mineral producers 1974
Malhotra, Ramesh; Smith, Portia Allyn

Thumbnail for Limestone resources of Illinois
Limestone resources of Illinois
Krey, Frank; Lamar, J.E.

Thumbnail for Current developments in rock, rock products, and industrial minerals.
Current developments in rock, rock products, and industrial minerals.
Mineral Industries Conference of Illinois (5th : 1938 : Urbana)

Thumbnail for Limestone resources of Adams and Brown Counties, Illinois
Limestone resources of Adams and Brown Counties, Illinois
Goodwin, Jonathan H.; Harvey, Richard D.

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