City of PhiladelphiaView metadata for key information about this dataset. Data is hand digitized from georeferenced map scans by PWD Office of Watersheds staff. Ellet stream data is supplemented by stream features in the center city area from a GIS layer developed before 2005, which had no metadata. The Historic Streams arc layer also has an associated polygon layer . For questions about this dataset, contact raymond.pierdomenico@phila.gov . For technical assistance, email maps@phila.gov .ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/40816e75554f4d74991aaeca81b5bd26_0engPHLmapsPublicHistoricStreams Arc [Pennsylvania--Philadelphia]Web servicesPennsylvania--PhiladelphiaPennsylvaniaLast Modified: 2016-03-17