Administrative Boundaries of National Park System Units This National Geospatial Data Asset (NGDA) dataset, shared as a U.S. National Park Service (NPS) feature layer, displays National Park Service tract and boundary data that was created by the Land Resources Division. Per NPS, “Boundary polygons have been created by the Lands Resources Program according to the procedures defined in the Lands Acquisition Procedures Manual. Boundaries were created with data provided by Parks, Region, and Program offices. This data includes but is not limited to deeds, legal descriptions, legislation, survey plats, change orders, segment maps, and the ownership databases of the Land Resources Program.”Frederick Douglass and National Capital Parks Data currency: current Federal service (NPS Land Resources Division Boundary and Tract Data Service)NGDAID: 16 (Administrative Boundaries of National Park System Units - National Geospatial Data Asset (NGDA) NPS National Parks Dataset)For more information: Administrative Boundaries of National Park System Units - National Geospatial Data Asset (NGDA) NPS National Parks DatasetFor feedback please contact: Esri_US_Federal_Data@esri.com NGDA Theme Community This data set is part of the NGDA Cadastre Theme Community. Per the Federal Geospatial Data Committee (FGDC), Cadastre is defined as the "past, current, and future rights and interests in real property including the spatial information necessary to describe geographic extents. Rights and interests are benefits or enjoyment in real property that can be conveyed, transferred, or otherwise allocated to another for economic remuneration. Rights and interests are recorded in land record documents. The spatial information necessary to describe geographic extents includes surveys and legal description frameworks such as the Public Land Survey System, as well as parcel-by-parcel surveys and descriptions. Does not include federal government or military facilities." For other NGDA Content: Esri Federal Datasets