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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. 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
  4. 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
  5. 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
  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. 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
  9. 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
  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. 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
  33. 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
  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. 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
  47. 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
  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. Lead and Zinc Ores in Bucks County, Pennsylvania

    Resource Type: Book
    Creator: Miller, Bejamin LeRoy
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:54Z
  51. 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
  52. Lead and Zinc Ores near Phoenixville, Chester County, Pennsylvania

    Resource Type: Book
    Creator: Miller, Benjamin LeRoy
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:53Z
  53. Lead and Zinc Ores in Lancaster County, Pennsylvania

    Resource Type: Book
    Creator: Miller, Bejamin LeRoy
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:53Z
  54. Coal Beds in Southern Somerset 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: 2014-09-25T00:38:52Z
  55. Rocks of the McCalls Ferry Quadrangle, Penna.

    Resource Type: Book
    Creator: Jonas, Anna I.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:51Z
  56. Lead and Zinc ores in Blair County, Penna.

    Resource Type: Book
    Creator: Bejamin LeRoy Miller
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:51Z
  57. Brown Iron Ores 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: 2014-09-25T00:38:51Z
  58. Oil and Gas Developments in Pennsylvania in 1922

    Resource Type: Book
    Creator: M.E. Johnson
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:51Z
  59. Magnetite 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: 2014-09-25T00:38:50Z
  60. Geologic Structure of the Pittsburgh Quadrangle, PA.

    Resource Type: Book
    Creator: M.E. Johnson
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:49Z
  61. Bog-Iron Ore

    Resource Type: Book
    Creator: Corbin, J. Ross
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:49Z
  62. 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
  63. Coal beds in Beaver 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: 2014-09-25T00:38:48Z
  64. Oil fields rejuvenated

    Resource Type: Book
    Creator: Robert B. Bossler
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:48Z
  65. Coal Beds in Lawrence 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: 2014-09-25T00:38:47Z
  66. Bituminous coal reserves in 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: 2014-09-25T00:38:47Z
  67. Coal beds of Mercer, Crewford, Venango, Forest, Warren, McKean, Porrter Tioga and Bradford Counties, 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: 2014-09-25T00:38:46Z
  68. Coal reserves in Clearfield County, Penna.

    Resource Type: Book
    Creator: J.F. Reese
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:45Z
  69. New oil pool at Tidioute and gas pools near Corry and Meadville, Penna.

    Resource Type: Book
    Creator: M.E. Johnson
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:44Z
  70. Coal beds in Center, Cameron, Clinton and Lycoming Counties, 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: 2014-09-25T00:38:44Z
  71. 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
  72. 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
  73. 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
  74. 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
  75. 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
  76. 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
  77. 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
  78. 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
  79. 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
  80. 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
  81. Coal reserves in Armstrong 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: 2014-09-25T00:38:38Z
  82. Coal Beds in Armstrong 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: 2014-09-25T00:38:38Z
  83. Coal Beds in Indiana 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: 2014-09-25T00:38:37Z
  84. Coal reserves in Indiana 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: 2014-09-25T00:38:37Z
  85. Coal Beds in Westmoreland County

    Resource Type: Book
    Creator: J.D. Sisler
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:37Z
  86. Coal reserves in Westmoreland 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: 2014-09-25T00:38:36Z
  87. Coal reserves in Fayette 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: 2014-09-25T00:38:35Z
  88. Coal Reserves in Allegheny 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: 2014-09-25T00:38:34Z
  89. Coal Beds in Allegheny 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: 2014-09-25T00:38:34Z
  90. Coal Beds in Fayette 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: 2014-09-25T00:38:34Z
  91. 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
  92. Geologic Structure of the Greensburg Quadrangle, Penna.

    Resource Type: Book
    Creator: M.E. Johnson
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:33Z
  93. Coal Reserves in Washington County, Pennsylvania

    Resource Type: Book
    Creator: Reese, John F.
    Keyword: PAGS Progress Reports
    Location: Washington County, Pennsylvania, United States
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:32Z
  94. Coal Beds in Greene County, Pennsylvania

    Resource Type: Book
    Creator: Sisler, J. D.
    Keyword: PAGS Progress Reports
    Location: Greene County, Pennsylvania, United States
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:32Z
  95. Coal Beds in Washington County, Pennsylvania

    Resource Type: Book
    Creator: Sisler, J. D.
    Keyword: PAGS Progress Reports
    Location: Washington County, Pennsylvania, United States
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:31Z
  96. Coal Reserves in Greene 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: 2014-09-25T00:38:31Z
  97. Coal Beds in Cambria 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: 2014-09-25T00:38:31Z
  98. Feldspar 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: 2014-09-25T00:38:31Z
  99. Oil from Pennsylvania Shales and Coals

    Resource Type: Book
    Creator: Fettke, Charles R.
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:30Z
  100. Pennsylvania Iron Ores

    Resource Type: Book
    Creator: J. Ross Corbin
    Keyword: PAGS Progress Reports
    Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
    Object Type: GenericWork
    Date Uploaded: 2014-09-25T00:38:30Z