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  1. 1
    Geology and mineral resources of the Quakertown-Doylestown district, Pennsylvania and New Jersey /

    Geology and mineral resources of the Quakertown-Doylestown district, Pennsylvania and New Jersey / by Bascom, F. (Florence), 1862-1945, Jonas, Anna I. (Anna Isabel), 1881-1974, Stose, George Willis, 1869-1960, Wherry, Edgar T. (Edgar Theodore), 1885-1982

    Published 1931
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  2. 2
    Geology and mineral resources of the Quakertown-Doylestown District, Pennsylvania and New Jersey, by F. Bascom, E.T. Wherry, G.W. Stose and A.I. Jonas. [U.S. Geological Survey Bulletin 828.].

    Geology and mineral resources of the Quakertown-Doylestown District, Pennsylvania and New Jersey,...

    Published 1931
    Online Access
    Government Document Electronic eBook
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