Showing 1 - 4 results of 4 for search '"Open-file report (Geological Survey (U.S.)) ;"', query time: 0.21s Refine Results
  1. 1
    Coal exploratory holes drilled in 1980 in the Birney 1?x 1/2?quadrangle, Powder River and Big Horn Counties, Montana /
    “...Open-file report (Geological Survey (U.S.)) ;...”
    Government Document Book
  2. 2
    Coal resource occurrence map of the Box Elder Draw quadrangle, Sheridan County, Wyoming, Big Horn and Powder River Counties, Montana /
    Published 1980
    “...Open-file report (Geological Survey (U.S.)) ;...”
    Government Document Map
  3. 3
    Geologic map and coal sections of the Pearl School quadrangle and the easternmost part of the Bar V Ranch quadrangle, Big Horn County, Montana /
    Published 1981
    “...Open-file report (Geological Survey (U.S.)) ;...”
    Government Document Map
  4. 4
    Coal resource occurrence and coal development potential maps of the Spring Creek Ranch quadrangle, Big Horn County, Montana /
    Published 1979
    “...Open-file report (Geological Survey (U.S.)) ;...”
    Get full text
    Government Document Map
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