Sanborn Map CompanyPort Allegany, McKean County, Pennsylvania, October 1924. 1 map on 13 sheets : color ; sheets 65 x 54 cm. Scale approximately 1:600. 50 ft. to an in.JPEGea38789e-4326-486f-8da1-c140005ab762engSanborn Map Company8888-002PublicPort Allegany, Pennsylvania, 1924MapsPennsylvania--Port AlleganyPennsylvania--McKean CountyPennsylvania1924Pennsylvania State University