Showing 1 - 2 results of 2 for search 'Ellenberger, John L.', query time: 0.11s Refine Results
  1. 1
    Slickenside occurrence in coal mine roof of the Valley Camp no. 3 mine near Wheeling, W. Va. /
    by Ellenberger, John L.
    Published 1979
    Government Document Book
  2. 2
    Geologic structures in coal mine roof /
    by Moebs, Noel N.
    Published 1982
    Other Authors: “...Ellenberger, John L....”
    Government Document Book
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