University of Illinois Urbana-Champaign

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Showing 991–1020 of 1,196 items
Thumbnail for Pleistocene stratigraphy of Illinois
Pleistocene stratigraphy of Illinois
Willman, Harold Bowen; Frye, John Chapman

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 Farm news for weeklies. 1952
Farm news for weeklies. 1952
Submitter: Howard Ding