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You searched for: Creator Commonwealth Pennsylvania Remove constraint Creator: Commonwealth Pennsylvania Resource Type Book Remove constraint Resource Type: Book
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  1. Report of the Department of Mines - 1925-1926 - bituminous

    Resource Type: Book and
    Creator: Commonwealth of Pennsylvania
    Keyword: Pennsylvania Department of Mines
    Object Type: GenericWork
    Date Uploaded: 2014-09-28T23:55:41Z
  2. Report of the Department of Mines - 1923-24 - bituminous

    Resource Type: Book and
    Creator: Commonwealth of Pennsylvania
    Keyword: Pennsylvania Department of Mines
    Object Type: GenericWork
    Date Uploaded: 2014-09-28T23:55:40Z
  3. Fifth Annual Report - Mineral statistics of PA - 1876-77

    Resource Type: Book and
    Creator: Commonwealth of Pennsylvania
    Keyword: Pennsylvania Department of Mines
    Object Type: GenericWork
    Date Uploaded: 2014-09-28T23:55:38Z
  4. Third Annual Report - Mineral statistics of PA - 1874-75

    Resource Type: Book and
    Creator: Commonwealth of Pennsylvania
    Keyword: Pennsylvania Department of Mines
    Object Type: GenericWork
    Date Uploaded: 2014-09-28T23:55:36Z
  5. First Annual Report - Mineral statistics of Pennsylvania - 1872-73

    Resource Type: Book and
    Creator: Commonwealth of Pennsylvania
    Keyword: Pennsylvania Department of Mines
    Object Type: GenericWork
    Date Uploaded: 2014-09-28T23:55:34Z
  6. Fog Characteristics and Modification Concepts

    Resource Type: Book and
    Creator: Commonwealth of Pennsylvania
    Keyword: National Science Foundation Report and Coal Reserach Section
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T22:07:45Z
  7. 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
  8. 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
  9. 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
  10. 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