University of Illinois Urbana-Champaign

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Showing 361–390 of 1,384 items
Thumbnail for GeoSciences / 1989-93
GeoSciences / 1989-93
Submitter: Howard Ding

Thumbnail for Composition and character of Illinois coals,
Composition and character of Illinois coals,
Parr, Samuel Wilson; Bement, Alburto; Breckenridge, Lester Paige