DVRPC-GISCenterline of navigable channel. Based on NOAA navigation charts.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/c57b3a7fbaad4fa7bab0f82237a35172_0engDelaware Valley Regional Planning Commission (DVRPC)PublicNavigable River (centerline) [Pennsylvania]Web servicesPennsylvaniaLast Modified: 2025-09-30