Woodruff, K.D.2008-03-072008-03-071986http://udspace.udel.edu/handle/19716/3085This map has two sheets listed as separate files.en-USGeohydrologyDelaware CanalChesapeake CanalPotomac FormationColumbia FormationMount Laurel FormationMagothy FormationHornerstown FormationGeohydrology of the Chesapeake and Delaware Canal Area, DelawareMap