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You searched for: Creator Louis Heyman Remove constraint Creator: Louis Heyman 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. Oil and Gas Developments in Pennsylvania in 1968

    Resource Type: Book
    Creator: Dana R. Kelly, William S. Lytle, Walter R. Wagner, and Louis Heyman
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-18T00:57:16Z
  2. Oil and Gas Developments in Pennsylvania in 1967

    Resource Type: Book
    Creator: Lytle, William S., Heyman, Louis, and Wagner, Walter R.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-18T00:57:05Z
  3. Oil and gas developments in Pennsylvania in 1969 with ten year review and forecast

    Resource Type: Book
    Creator: Dana R. Kelly, William S. Lytle, Walter R. Wagner, and Louis Heyman
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-18T00:57:03Z
  4. Oil and Gas Developments in Pennsylvania in 1966

    Resource Type: Book
    Creator: Lytle, William S., Heyman, Louis, and Wagner, Walter R.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-18T00:57:03Z
  5. Oil and Gas Developments in Pennsylvania in 1978

    Resource Type: Book
    Creator: Piotrowski, Robert G., Cozart, Cheryl L., Heyman, Louis, Harper, John A., and Abel, Kathleen D.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-18T00:56:57Z
  6. Oil and Gas Developments in Pennsylvania in 1977

    Resource Type: Book
    Creator: Heyman, Louis and Cozart, Cheryl L.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-18T00:56:56Z