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  1. Pyrite from Bituminous coal mines in Pennsylvania

    Resource Type: Book
    Creator: Henry Leighton
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:44Z
  2. Manganese occurrences in Eastern Pennsylvania

    Resource Type: Book
    Creator: Benjamin L. Miller
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:43Z
  3. Coal beds in Clarion County, Pennsylvania

    Resource Type: Book
    Creator: J.D. Sisler
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:43Z
  4. White Clay Deposits in Central Pennsylvania

    Resource Type: Book
    Creator: Moore, E. S.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:42Z
  5. Coal Beds in Butler County, Pennsylvania

    Resource Type: Book
    Creator: Sisler, J. D.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:42Z
  6. Coal Reserves in Cambria County, Pennsylvania

    Resource Type: Book
    Creator: Reese, John F.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:41Z
  7. Coal reserves in Somerset County, Pennsylvania

    Resource Type: Book
    Creator: John F. Reese
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:40Z
  8. Coal beds in Jefferson County, Pennsylvania

    Resource Type: Book
    Creator: J.D. Sisler
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:40Z
  9. Coal Beds in Elk County, Pennsylvania by J.D. Sisler

    Resource Type: Book
    Creator: Sisler, J.D.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:39Z
  10. White clay deposits at Saylorsburg, Monroe, County, Pennsylvania

    Resource Type: Book
    Creator: Frederick B. Peck
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:39Z