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  1. 1
    Geochemical prospecting for zinc, lead, copper, and silver, Lancaster Valley, southeastern Pennsylvania /

    Geochemical prospecting for zinc, lead, copper, and silver, Lancaster Valley, southeastern Pennsylvania / by Freedman, Jacob

    Published 1972
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  2. 2
    Geology of the Ransom quadrangle, Lackawanna, Luzerne and Wyoming Counties, Pennsylvania /

    Geology of the Ransom quadrangle, Lackawanna, Luzerne and Wyoming Counties, Pennsylvania / by Kehn, Thomas M., Glick, Ernest E. (Ernest Earwood), 1922-, Culbertson, William Craven, 1919-

    Published 1966
    Subjects: “…Geology Pennsylvania Lackawanna County.…”
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  3. 3
    Geology and uranium occurrences of the northern half of the Lehighton, Pennsylvania, quadrangle and adjoining areas /

    Geology and uranium occurrences of the northern half of the Lehighton, Pennsylvania, quadrangle and adjoining areas / by Klemic, Harry, 1920-

    Published 1963
    Subjects: “…Geology Pennsylvania Carbon County.…”
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  4. 4
    Underclay deposits of Somerset and eastern Fayette Counties, Pennsylvania /

    Underclay deposits of Somerset and eastern Fayette Counties, Pennsylvania / by Hosterman, John W. (John Wallace), 1923-

    Published 1972
    Subjects: “…Clay Pennsylvania Somerset County.…”
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  5. 5
    Geology of the Ransom quadrangle, Lackawanna, Luzerne and Wyoming Counties, Pennsylvania : description of the outcropping and subsurface strata of Devonian, Mississippian, and Pennsylvanian age and of the unconsolidated sediments of Quaternary age /

    Geology of the Ransom quadrangle, Lackawanna, Luzerne and Wyoming Counties, Pennsylvania : description of the outcropping and subsurface strata of Devonian, Mississippian, and Penn... by Kehn, Thomas M., Culbertson, William Craven, 1919-, Glick, Ernest E. (Ernest Earwood), 1922-

    Published 1966
    Subjects: “…Geology Pennsylvania Lackawanna County.…”
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  6. 6
    Peat deposits of northeastern Pennsylvania /

    Peat deposits of northeastern Pennsylvania / by Cameron, Cornelia C., 1911-1994

    Published 1971
    Subjects: “…Peat Pennsylvania.…”
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  7. 7
    Underclay deposits of Somerset and eastern Fayette Counties, Pennsylvania /

    Underclay deposits of Somerset and eastern Fayette Counties, Pennsylvania / by Hosterman, John W. (John Wallace), 1923-

    Published 1972
    Subjects: “…Clay Pennsylvania Somerset County.…”
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  8. 8
    Systematic Jointing in the western part of the anthracite region of eastern Pennsylvania /

    Systematic Jointing in the western part of the anthracite region of eastern Pennsylvania / by Wood, Gordon H. (Gordon Harry), 1919-

    Published 1969
    Subjects: “…Geology, Structural Pennsylvania.…”
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  9. 9
    Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania /

    Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania / by Hotz, Preston Enslow, 1913-

    Published 1951
    Subjects: “…Geology Pennsylvania York County.…”
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  10. 10
    Coal resources of Lawrence County, Pennsylvania /

    Coal resources of Lawrence County, Pennsylvania / by Van Lieu, J. A., Patterson, E. D. (Elmer Davisson)

    Published 1964
    Subjects: “…Coal Geology Pennsylvania Lawrence County.…”
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  11. 11
    Studies in peat.

    Studies in peat. by Cameron, Cornelia C., 1911-1994

    Published 1970
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  12. 12
    Coal resources of Butler County, Pennsylvania /

    Coal resources of Butler County, Pennsylvania / by Patterson, E. D. (Elmer Davisson), Van Lieu, J. A.

    Published 1971
    Subjects: “…Coal Geology Pennsylvania Butler County.…”
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  13. 13
    Coal resources of Lawrence County, Pennsylvania /

    Coal resources of Lawrence County, Pennsylvania / by Van Lieu, J. A.

    Published 1964
    Subjects: “…Coal Geology Pennsylvania Lawrence County.…”
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  14. 14
    Coal resources of Beaver County, Pennsylvania /

    Coal resources of Beaver County, Pennsylvania / by Patterson, E. D. (Elmer Davisson)

    Published 1963
    Subjects: “…Coal Geology Pennsylvania Beaver County.…”
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  15. 15
    Geology of rocks of Pennsylvanian age in the southern half of the Tremont Quadrangle Schuylkill County, Pennsylvania /

    Geology of rocks of Pennsylvanian age in the southern half of the Tremont Quadrangle Schuylkill County, Pennsylvania /

    Published 1962
    Subjects: “…Coal Geology Pennsylvania Schuylkill County.…”
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  16. 16
    Geology and uranium occurrences of the northern half of the Lehighton, Pennsylvania, quadrangle and adjoining areas /

    Geology and uranium occurrences of the northern half of the Lehighton, Pennsylvania, quadrangle and adjoining areas / by Klemic, Harry, 1920-, Warman, James C., Taylor, Alfred R.

    Published 1963
    Subjects: “…Geology Pennsylvania Carbon County.…”
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  17. 17
    Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania /

    Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania / by Hotz, Preston Enslow, 1913-

    Published 1950
    Subjects: “…Geology Pennsylvania York County.…”
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  18. 18
    Oil and gas fields of the Carnegie quadrangle, Pennsylvania /

    Oil and gas fields of the Carnegie quadrangle, Pennsylvania / by Munn, M. J. (Malcolm John), 1874-1949

    Published 1911
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  19. 19
    Geologic investigation of the Boyertown magnetite deposits in Pennsylvania /

    Geologic investigation of the Boyertown magnetite deposits in Pennsylvania / by Hawkes, H. E. (Herbert Edwin), 1912-1996, Wedow, Helmuth, 1917-, Balsley, J. R.

    Published 1953
    Subjects: “…Magnetite Pennsylvania Boyertown.…”
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  20. 20
    White clays of Pennsylvania : geology and geologic setting of white clays /

    White clays of Pennsylvania : geology and geologic setting of white clays / by Hosterman, John W. (John Wallace), 1923-

    Published 1984
    Subjects: “…Kaolin Pennsylvania.…”
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