Research Catalog

  • A series of columnar sections constructed from surface observations and the records of eleven oil wells situated between Bradford in McKean County and Ridgway in Elk County showing the relation of the lower caboniferous coal beds to the Bradford oil producing sand and the thickening of the sub conglomerate rocks / J.P. Lesley, state geologist, Chas. A. Ashburner, asst. geologist, A.W. Sheafer, aid.

    • Cartographic
    • [Harrisburg, Pa.] : [Board of Commissioners for the Second Geological Survey], 1879.
    • 1879
    • 1 Item

    Available Online

    NYPL Digital Collections
    FormatCall NumberItem Location
    Cartographic Map Div. 17-5130Schwarzman Building M1A - Map Division Room 117

    Available - Can be used on site. Please visit New York Public Library - Schwarzman Building M1A to submit a request in person.

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