Polyline data of fault Lines and topographic change in Philadelphia during the last century, specifically for the Frankford 7.5-minute quadrangle, which includes the Wissinoming neighborhood, and the Germantown 7.5-minute quadrangle, which includes the Logan and Feltonville neighborhoods. Data was developed by the United States Geological Survey's Eastern Earth Surface Processes Team, in response to a request by the U.S. Army Corps of Engineers of the Philadelphia District.