Keyword [Appalachian coal region] Result: 1 - 2 | Page: 1 of 1 1.  OPPORTUNITIES FOR IMPROVED SURFACE MINE RECLAMATION IN THE CENTRAL APPALACHIAN COAL REGION (COST, APPROXIMATE ORIGINAL CONTOUR, SMCRA, AOC) 2.  REFLECTANCE INDICATRIX OF VITRINITE: ITS ORIENTATION AND APPLICATION (PARAGENETIC, STRESS, PENNSYLVANIA, CANADA, APPALACHIANS)   <<First  <Prev  Next>  Last>>  Jump to

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