Sanborn Map CompanyDravosburg, Allegheny County, Pennsylvania, March 1933. 1 map on 2 sheets : color ; sheets 65 x 54 cm. Scale approximately 1:1,200. 100 ft. to an in.JPEG79005157-7583-488a-ace8-56bdf63b22ebengSanborn Map Company8888-002PublicDravosburg, Pennsylvania, 1933MapsPennsylvania--DravosburgPennsylvania--Allegheny CountyPennsylvania1933Pennsylvania State University