University of Illinois Urbana-Champaign

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Showing 211–240 of 697 items
Thumbnail for Current developments in rock, rock products, and industrial minerals.
Current developments in rock, rock products, and industrial minerals.
Mineral Industries Conference of Illinois (5th : 1938 : Urbana)

Thumbnail for Supplement II to Bulletin 21
Supplement II to Bulletin 21
Buswell, Arthur M.; Greenfield, Robert Edman; Gallaher, William Uren; McRoberts, Lewis Henry; Edwards, Gail Phillips