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  1. 1
    Minerals in the economy of Pennsylvania.
    Published 1978
    Government Document Serial
  2. 2
    Suspended-sediment yields from an unmined area and from mined areas before and after reclamation in Pennsylvania, June 1978-September 1983 /
    by Reed, Lloyd A.
    Published 1989
    Government Document Book
  3. 3
    Geology and mineral resources of the Washingtonville and Millville quadrangles : Montour, Columbia, and Northumberland counties, Pennsylvania /
    by Way, John H.
    Published 1993
    Government Document 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
    Government Document Book
  5. 5
    The mineral industry of Pennsylvania.
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    Government Document Serial
  6. 6
    Geology and mineral resources of the Middletown quadrangle, Pennsylvania /
    Government Document Book
  7. 7
    Mineral resource potential map of Cornplanter roadless area, Warren County, Pennsylvania /
    by Lesure, Frank Gardner, 1927-
    Published 1983
    Government Document Map
  8. 8
    Girard estate coal lands in Pennsylvania, 1801-1884 /
    by Hoffman, John N.
    Published 1972
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    Government Document eBook
  9. 9
    Mineral resources of the Elders Ridge quadrangle, Pennsylvania /
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    Government Document eBook
  10. 10
    Economic geology of the Kittanning and Rural valley quadrangles, Pennsylvania /
    by Butts, Charles, 1863-1946
    Published 1906
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    Government Document eBook
  11. 11
    Economic geology of the Beaver Quadrangle, Pennsylvania : (southern Beaver and northwestern Allegheny counties) /
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    Government Document eBook
  12. 12
    Economic geology of the Amity quadrangle, eastern Washington County, Pennsylvania /
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    Government Document eBook
  13. 13
    Mineral resources of Johnstown, Pennsylvania and vicinity /
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    Government Document eBook
  14. 14
    Geology and mineral resources of the Quakertown-Doylestown district, Pennsylvania and New Jersey /
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    Government Document eBook
  15. 15
    Geology and mineral resources of the Middletown quadrangle, Pennsylvania /
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    Government Document eBook
  16. 16
    Pre-Cambrian geology and mineral resources of the Delaware Water Gap and Easton quadrangles, New Jersey and Pennsylvania /
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    Government Document eBook
  17. 17
    Geology and mineral resources of the Bellefonte quadrangle, Pennsylvania /
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    Government Document eBook
  18. 18
    Geology and mineral resources of the Butler and Zelienople quadrangles, Pennsylvania /
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    Government Document eBook
  19. 19
    Geology and mineral resources of the Honeybrook and Phoenixville quadrangles, Pennsylvania /
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    Government Document eBook
  20. 20
    Preliminary report on production of anthracite coal.
    Published 1881
    Connect to the full text of this electronic document
    Government Document eBook
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