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You searched for: Publisher Pennsylvania Bureau Of Topographic And Geologic Survey Remove constraint Publisher: Pennsylvania Bureau Of Topographic And Geologic Survey Resource Type Book Remove constraint Resource Type: Book
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  1. Stratigraphy of the Tioga Region; Physical Characteristics of the Oriskany Sandstone and Subsurface Studies in the Tioga Gas Field, Pennsylvania

    Resource Type: Book
    Creator: Charles R. Fettke and Bradford Willard
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:13Z
  2. Iron Ores, Present and Future

    Resource Type: Book
    Creator: Hickok, W. O.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:13Z
  3. Probability of Occurrence of the Oriskany Sandstone in the Tioga Region

    Resource Type: Book
    Creator: Stanley H. Cathcart and Bradford Willard
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:10Z
  4. Sand and Gravel in the Reading Region, Pennsylvania

    Resource Type: Book
    Creator: Ward, Freeman Ward
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:10Z
  5. Mineral Resources of Pennsylvania

    Resource Type: Book
    Creator: Ashley, George H.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:10Z
  6. The Topographic and Geologic Survey: A Brief Summary of its Work since 1919

    Resource Type: Book
    Creator: Ashley, George H.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:10Z
  7. Sand and Gravel in the Altoona Region, Pennsylvania

    Resource Type: Book
    Creator: Ward, Freeman
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:10Z
  8. Sand and Gravel in the Scranton Region, Pennsylvania

    Resource Type: Book
    Creator: Ward, Freeman
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:08Z
  9. Mineral Resources of the Lower Allegheny - Beaver River District

    Resource Type: Book
    Creator: Ashley, George H.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:07Z
  10. Pennsylvania, the Makings of a World Power

    Resource Type: Book
    Creator: Ashley, George H.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:07Z