Sanborn Map CompanyCoraopolis, Pennsylvania, Allegheny County, Jan'y 1924. 1 map on 19 sheets : color ; sheets 65 x 54 cm + ; 1 title sheet. Scale approximately 1:600. 50 ft. to an in. unless otherwise noted on individual sheets.JPEG84f25908-b09e-4885-ba76-ea721b53794eengSanborn Map Company8888-002PublicCoraopolis, Pennsylvania, 1924MapsPennsylvania--CoraopolisPennsylvania--Allegheny CountyPennsylvania1924Pennsylvania State University