United States. Department of the InteriorMap created from a United States Department of the Interior geological survey. Topography was surveyed by R. H. Runyan, 1939. Map consists mainly of Marcus Hook in Delware County, Pennsylvania with portions of Gloucester and Salem Counties, New Jersey visible in bottom right corner.JPEGhttps://doi.org/doi:10.7282/T3319WN2PublicMarcus Hook, Pennsylvania 1939MapsDelawarePennsylvaniaNew JerseyRutgers University-New Brunswick