Showing 1 - 20 results of 94 for search '', query time: 0.18s Refine Results
  1. 1
    Report /
    Published 1910
    Serial
  2. 2
    Progress in research.
    Serial
  3. 3
    Flood plain sediments of Halfmoon Creek, Pennsylvania /
    by Adler, Alan A.
    Published 1961
    Book
  4. 4
    Atlas of Pennsylvania's mineral resources.
    Published 1964
    Book
  5. 5
    The undeveloped mineral resources of Pennsylvania /
    Book
  6. 6
    Mineral conservation series /
    Published 1958
    Book
  7. 7
    Historical statistics of Pennsylvania's mineral industries, 1956-1960.
    Book
  8. 8
    Historical statistics of Pennsylvania's mineral industries, 1961-1965 /
    Book
  9. 9
    Trace metals in stream sediment of southeastern Pennsylvania /
    Book
  10. 10
    Historical statistics of Pennsylvania's mineral industries, 1966-1970 /
    by Ridge, John Drew, 1909-
    Published 1972
    Book
  11. 11
    Clay and shale resources in Pennsylvania /
    by Leighton, Henry, 1884-
    Published 1941
    Book
  12. 12
    Geology and mineral resources of the Sinking Spring quadrangle, Berks and Lancaster Counties, Pennslyvania /
    by MacLachlan, David B.
    Published 1975
    Book
  13. 13
    Bedrock geology and mineral resources of the Salladasburg and Cogan Station quadrangles, Lycoming County, Pennsylvania /
    by Faill, Rodger T.
    Published 1977
    Book
  14. 14
    Bedrock geology and mineral resources of the Linden and Williamsport Quadrangles, Lycoming County, Pennsylvania /
    by Faill, Rodger T.
    Published 1977
    Book
  15. 15
    Geology and mineral resources of the Harrisburg west area, Cumberland and York Counties, Pennsylvania /by Samuel I. Root.
    by Root, Samuel I.
    Published 1977
    Book
  16. 16
    Geology and mineral resources of the Hazen, Falls Creek, Reynoldsville, and Dubois quadrangles, Clearfield and Jefferson Counties, Pennsylvania /
    by Glover, Albert D.
    Published 1978
    Book
  17. 17
    Geology and mineral resources of the Skytop quadrangle, Monroe and Pike Counties, Pennsylvania /
    by Sevon, William D.
    Published 1978
    Book
  18. 18
    Geology and mineral resources of the Pocono Pines and Mount Pocono quadrangles, Monroe County, Pennsylvania /
    by Berg, Thomas M.
    Published 1977
    Book
  19. 19
    Geology and mineral resources of the Tobyhanna and Buck Hill Falls quadrangles, Monroe County, Pennsylvania /
    by Sevon, William D.
    Published 1975
    Book
  20. 20
    Geology and mineral resources of the Hickory Run and Blakeslee quadrangles, Carbon and Monroe counties, Pennsylvania /
    by Sevon, William D.
    Published 1975
    Book
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