University of Illinois Urbana-Champaign

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Showing 4021–4050 of 8,854 items
Thumbnail for Weathered zones of the drift-sheets of Illinois
Weathered zones of the drift-sheets of Illinois
Leighton, Morris M.; MacClintock, Paul

Thumbnail for Lower Mississippi River terrace sands as a commercial source of feldspar
Lower Mississippi River terrace sands as a commercial source of feldspar
Ehrlinger, Henry P., III; Jackman, Harold Wesley