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You searched for: Creator Bradford Willard Remove constraint Creator: Bradford Willard 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. Pennsylvania Geology Summarized

    Resource Type: Book
    Creator: Willard, Bradford
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:20Z
  2. 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
  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