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J. Peter Lesley Knihy

    A Geological Hand Atlas of the Sixty-Seven Counties of Pennsylvania: Embodying the Results of the Field Work of the Survey, From 1874 to 1884; Volume
    Manual of Coal and Its Topography: Illustrated by Original Drawings
    Manual of Coal and Its topography. Illustrated by original Drawings, Chiefly of Facts in the Geography of the Appalachian Region of the United States
    The Iron Manufacturer's Guide to the Furnaces, Forges and Rolling Mills of the United States