Availability of the Herrin coal for mining in Illinois /
Colin G. Treworgy, Christopher P. Korose, and Christine L. Wiscombe.
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Item Link | Original Source |
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Limited (search only) | University of Illinois at Urbana-Champaign |
Full view | University of Illinois at Urbana-Champaign |
Full view Industrial Minerals Notes No. 120 | University of Illinois at Urbana-Champaign |