New Jersey Department of Environmental Protection (NJDEP), Community Investment & Economic Revitalization (CIER), Historic Preservation Office (HPO)Polygon boundaries of municipalities that are active or former participants in the Historic Preservation Office's (HPO) Certified Local Government program (CLG). This program is a partnership among the National Park Service, HPO, and local government to implement historic preservation planning at the local level. The dataset provides the dates of participation in the CLG program, and links to the municipal government's website.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/1e2c2ab7ed7f44b4984c503563ea52ea_10engNew Jersey Department of Environmental Protection's (NJDEP) Bureau of GISPublicNew Jersey Certified Local Government Municipalities [New Jersey]Web servicesNew JerseyLast Modified: 2025-11-24