PA Department of Conservation & Natural ResourcesDistribution of surficial geologic units as shown by detailed reconnaissance mapping at 1:24,000 scale in parts of northeastern Pennsylvania. Data is added as new maps are prepared for publication. Features that have not yet been formally published will have "Provisional" in their STATUS attribute, while features that have been formally published will have a value of "Final." Both the attributes and geometry of provisional features are subject to change.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/74d23fd4a71b4509bca365c916cbdc3c_12engPennsylvania Department of Conservation and Natural Resources Open Data PortalPublicSurficial Geology of Pennsylvania - Geologic Units [Pennsylvania]Web servicesPennsylvaniaLast Modified: 2026-01-08