University of Illinois Urbana-Champaign

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Showing 421–450 of 2,510 items
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 Annual register. 1941-42
Annual register. 1941-42
University of Illinois at Urbana-Champaign

Thumbnail for Annual register. 1939-40
Annual register. 1939-40
University of Illinois at Urbana-Champaign