University of Illinois Urbana-Champaign

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Showing 1–30 of 36,474 items
Thumbnail for Limestone resources of Illinois
Limestone resources of Illinois
Krey, Frank; Lamar, J.E.

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

Thumbnail for Physiographic divisions of Illinois
Physiographic divisions of Illinois
Leighton, Morris M.; Ekblaw, George E.; Horberg, Leland

Thumbnail for Mines in the Illinois portion of the Illinois-Kentucky Fluorspar District
Mines in the Illinois portion of the Illinois-Kentucky Fluorspar District
Denny, F. Brett; Nelson, W. John; Breeden, Jeremy R.; Lillie, Ross C.

Thumbnail for Further Studies of Urban Effects on Precipitation at St. Louis
Further Studies of Urban Effects on Precipitation at St. Louis
Changnon, Stanley A., Jr.; Huff, Floyd A.; Kidder, Stanley Q.; Wu, Huey-Tzu