University of Illinois Urbana-Champaign

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Showing 9301–9330 of 15,825 items
Thumbnail for Washability tests of Illinois coals
Washability tests of Illinois coals
Callen, Alfred Copeland; Mitchell, David Ray

Thumbnail for Bibliography of subsidence-related literature
Bibliography of subsidence-related literature
Trent, B.A.; Bauer, Robert A.; DuMontelle, Paul B.

Thumbnail for Illinois Technograph v. 027 (1912-1913)
Illinois Technograph v. 027 (1912-1913)
Submitter: Timothy Donohue