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  1. Gas Wells of Nine Mile Run, Pittsburgh, Pennsylvania

    Resource Type: Book
    Creator: Robinson, J. French
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T23:19:38Z

  2. The Possibility of Oil and Gas from Deeper Drilling in Western Pennsylvania

    Resource Type: Book
    Creator: George H. Ashley
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T23:19:37Z

  3. Future Use of Raw Coal

    Resource Type: Book
    Creator: George H. Ashley
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T23:19:37Z

  4. The McKeesport Gas Pool, Allegheny County, Pennsylvania

    Resource Type: Book
    Creator: G.H. Ashley
    Keyword: Pennsylvania. and PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T23:19:37Z

  5. The Origin of Pennsylvania Coal

    Resource Type: Book
    Creator: George H. Ashley
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T23:19:37Z

  6. Development and Probable Life of Gas Pool at McKeesport, Pennsylvania

    Resource Type: Book
    Creator: George H. Ashley
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T23:19:36Z

  7. A High-Grade Building Stone in Greene County

    Resource Type: Book
    Creator: George H. Ashley
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T23:19:36Z

  8. River and Creek Coal in Eastern Pennsylvania

    Resource Type: Book
    Creator: C.W. Webbert
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T23:19:36Z

  9. Decline of McKeesport Gas Pool

    Resource Type: Book
    Creator: George H. Ashley
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T23:19:36Z

  10. Oil and Gas in Southeast Pennsylvania

    Resource Type: Book
    Creator: George H. Ashley
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T23:19:36Z

  11. 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

  12. The Possible Occurrence of Gas in the Oriskany Sand of Elk County

    Resource Type: Book
    Creator: Cathcart, S. H.
    Keyword: PAGS Progress Reports
    Location: Elk County, Pennsylvania, United States
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:19Z

  13. Gas in Tioga County, Pennsylvania

    Resource Type: Book
    Creator: Cathcart, S.H. and Myers, T. H.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:19Z

  14. Possibility of Finding Gas in the Oriskany Sand in McKean County

    Resource Type: Book
    Creator: S.H. Cathcart
    Keyword: PAGS Progress Reports
    Language: English
    Location: McKean County, Pennsylvania, United States
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:18Z

  15. The Possibility of Finding Gas in Cameron County, Pennsylvania

    Resource Type: Book
    Creator: Cathcart, S. H.
    Keyword: PAGS Progress Reports
    Location: Cameron County, Pennsylvania, United States
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:17Z

  16. Gas in the Tioga Region, Pennsylvania

    Resource Type: Book
    Creator: George H. Ashley and Stanley H. Cathcart
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:16Z

  17. Gas and Oil in Potter Co., Pennsylvania

    Resource Type: Book
    Creator: Cathcart, S. H.
    Keyword: PAGS Progress Reports
    Location: Potter County, Pennsylvania, United States
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:14Z

  18. River Coals of Eastern Pennsylvania

    Resource Type: Book
    Creator: Hills, John M.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:14Z

  19. 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

  20. 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

  21. 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

  22. 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

  23. 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

  24. 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

  25. 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

  26. 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

  27. 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

  28. High Spots in 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: 2014-09-25T00:39:07Z

  29. Anthracite Culm and Silt

    Resource Type: Book
    Creator: Sisler, James D.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:06Z

  30. The Canadian System

    Resource Type: Book
    Creator: Ashley, George H.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:06Z

  31. A Stratigraphic Time Scale

    Resource Type: Book
    Creator: Commonwealth of Pennsylvania and Ashley, George H.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:05Z

  32. A Practical Classification of Coals

    Resource Type: Book
    Creator: Ashley, George H.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:04Z

  33. Silurian Stratigraphy at Lehigh Gap, 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: 2014-09-25T00:39:04Z

  34. Coal Reserves in Jefferson County, Pennsylvania

    Resource Type: Book
    Creator: Sisler, James D.
    Keyword: PAGS Progress Reports
    Location: Jefferson County, Pennsylvania, United States
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:03Z

  35. The Age and Origin of the Earth

    Resource Type: Book
    Creator: Commonwealth of Pennsylvania and Ashley, George H.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:03Z

  36. Coal Reserves in Clarion County, Pennsylvania

    Resource Type: Book
    Creator: Sisler, James D.
    Keyword: PAGS Progress Reports
    Location: Clarion County, Pennsylvania, United States
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:02Z

  37. Coal Beds in Northern Somerset County, Pennsylvania

    Resource Type: Book
    Creator: Sisler, James D.
    Keyword: PAGS Progress Reports
    Location: Somerset County, Pennsylvania, United States
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:01Z

  38. 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

  39. Volatile Matter in Pennsylvania Coals

    Resource Type: Book
    Creator: Sisler, James D.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:01Z

  40. The Living Earth

    Resource Type: Book
    Creator: Ashley, George H.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:01Z

  41. Tidioute Oil Pool, Warren County, PA.

    Resource Type: Book
    Creator: Johnson, Meredith E.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:39:00Z

  42. Gas in Leidy Township, Clinton County, Pennsylvania

    Resource Type: Book
    Creator: Meredith E. Johnson
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:59Z

  43. Gold in Pennsylvania

    Resource Type: Book
    Creator: J. Ross Corbin
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:58Z

  44. Calcareous Marl in Pennsylvania South of the Terminal Moraine

    Resource Type: Book
    Creator: J. B. R. Dickey
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:57Z

  45. Rocks of the Quarryville Quadrangle, Pennsylvania

    Resource Type: Book
    Creator: Anna I. Jonas
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:57Z

  46. Oil and gas in Southeast Pennsylvania

    Resource Type: Book
    Creator: George H. Ashley
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:56Z

  47. Chromite in Pennsylvania

    Resource Type: Book
    Creator: J. Ross Corbin
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:56Z

  48. 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

  49. Zinc Ores at Friendensville, Lehigh County, Penna

    Resource Type: Book
    Creator: Miller, Benjamin LeRoy
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:54Z

  50. Copper Ores in Pennsylvania

    Resource Type: Book
    Creator: Corbin, J. Ross
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:54Z