Map showing the Pittsburg [sic], Bradford, and Buffalo Railway and its connections, W. R. Bergholz, chief engineer, New York, Feb. 15, 1882. Map of parts of western Pennsylvania and New York showing drainage, coal fields, iron ore areas, and fire clay areas, furnaces, and oil wells. Railroads are color coded. G.W. & C.B. Colton & Co. CREATED/PUBLISHED New York, 1882. Scale 1:950,400.