University of Illinois Urbana-Champaign

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Showing 511–540 of 6,879 items
Thumbnail for ISAS 2013 Annual Report
ISAS 2013 Annual Report
Submitter: Susan Braxton

Thumbnail for Oil investigations in Illinois in 1916, under direction of Fred H. Kay.
Oil investigations in Illinois in 1916, under direction of Fred H. Kay.
Illinois State Geological Survey; Kay, Fred Hall; Brokaw, Albert Dudley; St. Clair, Stuart; Butts, Charles