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You searched for: Creator Commonwealth Pennsylvania Remove constraint Creator: Commonwealth Pennsylvania Publisher Pennsylvania Bureau Of Topographic And Geologic Survey Remove constraint Publisher: Pennsylvania Bureau Of Topographic And Geologic Survey
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  1. A Stratigraphic Time Scale

    Resource Type: Book
    Creator: Commonwealth of Pennsylvania and Ashley, George H.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:05Z
  2. The Age and Origin of the Earth

    Resource Type: Book
    Creator: Commonwealth of Pennsylvania and Ashley, George H.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:03Z
  3. Oil and Gas Developments in Pennsylvania in 1975

    Resource Type: Book
    Creator: Commonwealth of Pennsylvania
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-18T00:57:38Z
  4. Isopach and Lithofacies Maps of the Devonian in the Appalachian Basin

    Resource Type: Map or Cartographic Material
    Creator: Commonwealth of Pennsylvania
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-18T00:57:36Z
  5. Oil and Gas Developments in Pennsylvania in 1971

    Resource Type: Book
    Creator: Commonwealth of Pennsylvania
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-18T00:57:36Z
  6. Preliminary report: occurrence of rock salt in Pennsylvania

    Resource Type: Map or Cartographic Material
    Creator: Chas. R. Fettke
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-18T00:57:34Z
  7. Oil and Gas Developments in Pennsylvania in 1988

    Resource Type: Book
    Creator: Commonwealth of Pennsylvania
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-18T00:57:34Z
  8. Oil and Gas Developments in Pennsylvania in 1955

    Resource Type: Book
    Creator: Chas. R. Fettke and William S. Lytle
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-18T00:57:29Z
  9. Oil and Gas Developments in Pennsylvania in 1987

    Resource Type: Book
    Creator: Commonwealth of Pennsylvania
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-18T00:57:26Z
  10. Oil and Gas Developments in Pennsylvania in 1982

    Resource Type: Book
    Creator: Commonwealth of Pennsylvania
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-18T00:57:23Z