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Showing 1 - 4 results of 4 for search 'Bureau of Topographic and Geologic Survey,', query time: 0.20s Refine Results
  1. 1
    Geology and mineral resources of the southern half of the Clearfield 15-minute quadrangle, Pennsylvania /
    by Glover, Albert D.
    Published 1970
    “...[Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey],...”
    Book
  2. 2
    Geology and mineral resources of the Hazen, Falls Creek, Reynoldsville, and Dubois quadrangles, Clearfield and Jefferson Counties, Pennsylvania /
    by Glover, Albert D.
    Published 1978
    “...Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic...”
    Book
  3. 3
    Geology and mineral resources of the Sabula and Penfield quadrangles, Clearfield, Elk, and Jefferson Counties, Pennsylvania /
    by Berg, Thomas M.
    Published 1976
    “...Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic...”
    Book
  4. 4
    Geology and mineral resources of the Blandburg, Tipton, Altoona, and Bellwood quadrangles : Blair, Cambria, Clearfield and Centre counties, Pennsylvania /
    by Faill, Rodger T.
    Published 1989
    “..., Bureau of Topographic and Geologic Survey],...”
    Government Document Book
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