Research Catalog

  • Geologic map of Pennsylvania / Commonwealth of Pennsylvania, Department of Environmental Resources, Topographic and Geologic Survey ; compiled and edited by Carlyle Gray [and others].

    • Cartographic
    • [Harrisburg] : The Survey, 1979, ©1960.
    • 1979-1960
    • 1 Item
    FormatCall NumberItem Location
    Cartographic MapOff-site
  • Geologic map of Pennsylvania / compiled and edited by Carlyle Gray [and others] ; A.E. Van Olden, draftsman.

    • Cartographic
    • [Harrisburg, Pa.] : Commonwealth of Pennsylvania, Department of Internal Affairs, Bureau of Topographic and Geologic Survey, 1960.
    • 1960
    • 1 Item
    FormatCall NumberItem Location
    Cartographic MapOff-site

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