Sanborn Map CompanyDuquesne, Allegheny County, Pennsylvania, Jan. 1925. 1 map on 14 sheets : color ; sheets 65 x 54 cm + ; title sheet. Scale approximately 1:600. 50 ft. to one in.unless otherwise noted on individual sheets.JPEG51e15056-ed5a-4f67-b3a5-8ab433dd8be4engSanborn Map Company8888-002PublicDuquesne, Pennsylvania, 1925MapsPennsylvania--DuquesnePennsylvania--Allegheny CountyPennsylvania1925Pennsylvania State University