Showing 1 - 3 results of 3 for search 'U.S. Geological Survey,', query time: 0.16s Refine Results
  1. 1
    Ohio shale (Devonian), SDO-1 from Rowan County, Kentucky /
    by Kepferle, Roy Clark, 1926-
    Published 1985
    “...[U.S. Geological Survey],...”
    Government Document Book
  2. 2
    Stratigraphy of the Chattanooga Shale (Upper Devonian and Lower Mississippian) in vicinity of Big Stone Gap, Wise County, Virginia /
    by Kepferle, Roy Clark, 1926-
    Published 1981
    “...U.S. Dept. of the Interior, Geological Survey,...”
    Government Document Book
  3. 3
    Lithologic and stratigraphic description of cores of organic-rich shale of Late Devonian and early Mississippian age in northeastern Kentucky /
    by Kepferle, Roy Clark, 1926-
    Published 1982
    “...U.S. Dept. of the Interior, Geological Survey,...”
    Government Document Book
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