University of Illinois Urbana-Champaign

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Showing 5581–5610 of 6,678 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 Lake Sangchris Study: Case History of an Illinois Cooling Lake
The Lake Sangchris Study: Case History of an Illinois Cooling Lake
Larimore, Richard Weldon; Tranquilli, John A.

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