University of Illinois Urbana-Champaign

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Showing 9061–9090 of 11,216 items
Thumbnail for The measurement of air quantities and energy losses in mine entries
The measurement of air quantities and energy losses in mine entries
Smith, Cloyde Moffett; Callen, Alfred Copeland

Thumbnail for Vermilion River area assessment
Vermilion River area assessment
Illinois Department of Natural Resources