University of Illinois Urbana-Champaign

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Showing 9061–9090 of 12,197 items
Thumbnail for Bank Erosion of the Illinois River
Bank Erosion of the Illinois River
Bhowmik, Nani G.; Schicht, Richard, J.

Thumbnail for Some economic problems of the Illinois River Valley
Some economic problems of the Illinois River Valley
Bogart, Ernest L.; Asburn, T.Q.; Hight, Eugene S.; Stewart, Charles L.; Harman, Jacob A.; Buswell, Arthur M.; Boruff, C.S.; Greeley, Samuel L.; Bradford, Ralph F.; Thompson, David H.

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