PA Department of Environmental ProtectionOriginal data source is the January 27, 2022 PennDOT Pennsylvania County Boundaries layer from their Open Data Portal. https://data-pennshare.opendata.arcgis.com/datasets/PennShare::pennsylvania-county-boundaries/aboutArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/21080a7d7d0644179a887d98662c1d94_0engPennsylvania Department of Environmental ProtectionPublicPA Counties - Offline Use [Pennsylvania]Web servicesPennsylvaniaLast Modified: 2024-10-20