Showing 1 - 2 results of 2 for search '"Coal"', query time: 0.16s Refine Results
  1. 1
    Moving longwall shield supports at the York Canyon mine, Raton, N. Mex. /
    by Oitto, Richard H.
    Published 1977
    Subjects: “...Coal mines and mining New Mexico Raton....”
    Government Document Book
  2. 2
    Analyses of New Mexico coals.
    Published 1936
    Subjects: “...Coal. http://id.loc.gov/authorities/subjects/sh85027307...”
    Electronic resource (PDF)
    Government Document eBook
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