1925. Sanborn Map Company. Duquesne, Allegheny County, Pennsylvania, Jan. 1925. 1 map on 14 sheets : color ; sheets 65 x 54 cm + ; title sheet. Scale approximately 1:600. 50... Sanborn Map Company.
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1925. Sanborn Map Company. Edgeworth, Allegheny County, Pennsylvania, September 1925. 1 map on 3 sheets : color ; sheets 65 x 54 cm. Scale approximately 1:1,200. 100 ft. to ... Sanborn Map Company.
1925. Sanborn Map Company. Glenfield, Allegheny County, Pennsylvania, August 1925. 1 map : color ; 65 x 54 cm. Scale approximately 1:1,200. 100 ft. to an in. Sanborn Map Company.
1925. Sanborn Map Company. Imperial, Allegheny County, Pennsylvania, August 1925. 1 map on 2 sheets : color ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in. ... Sanborn Map Company.