University of Illinois Urbana-Champaign

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Showing 2371–2400 of 84,063 items
Thumbnail for Oil investigations in 1917 and 1918
Oil investigations in 1917 and 1918
Illinois State Geological Survey; Barrett, Nellie Okla; Nebel, Merle Louis; Coryell, Horace Noble; Tough, Fred H.; Williston, Samuel H.; Savage, Thomas Edmund

Thumbnail for Preliminary report on organization and method of investigations.
Preliminary report on organization and method of investigations.
Illinois. Coal mining investigations. (Co-operative agreement.)

Archived Webinar: Care of Natural History Collections
Illinois Collections Preservation Network

Thumbnail for A directory of Illinois systematists, ecologists, and field biologists
A directory of Illinois systematists, ecologists, and field biologists
Burton, Philip J.; Dennis, Ann; Robertson, Kenneth R.

Thumbnail for High-extraction coal mining in Illinois: Effects on crop production, 1985-1987
High-extraction coal mining in Illinois: Effects on crop production, 1985-1987
Darmody, Robert G.; Jansen, I.J.; Carmer, S.G.; Steiner, S.J.

Thumbnail for Atmospheric sciences & hazards
Atmospheric sciences & hazards
Submitter: Clarissa Ihssen