University of Illinois Urbana-Champaign

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Showing 781–810 of 9,143 items
Thumbnail for Possible recovery of coal from waste at Illinois mines
Possible recovery of coal from waste at Illinois mines
Smith, Cloyde Moffett; Mitchell, David Ray

Thumbnail for Annual newsletter / 1980-85
Annual newsletter / 1980-85
University of Illinois at Urbana-Champaign. Deptartment of Geology