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You searched for: Creator R W Stone Remove constraint Creator: R W Stone Format pdf (Portable Document Format) Remove constraint Format: pdf (Portable Document Format) Publisher Pennsylvania Bureau Of Topographic And Geologic Survey Remove constraint Publisher: Pennsylvania Bureau Of Topographic And Geologic Survey
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  1. Roofing Granules Industry in Southeastern Pennsylvania

    Resource Type: Book
    Creator: Stone, R. W.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:01Z
  2. Flagstone Industry in Northeastern Pennsylvania

    Resource Type: Book
    Creator: R.W. Stone
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:55Z
  3. Potash Fiasco in Tioga County, Pennsylvania and Simple Tests for Potash

    Resource Type: Book
    Creator: R.W. Stone and W.B. Hicks
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:48Z
  4. Magnesite in Pennsylvania

    Resource Type: Book
    Creator: R.W. Stone
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:33Z