HERS Lab processing: National Park Service boundaries intersecting Oregon, Washington and Idaho were selected from Esri's Living Atlas/USA_National_Park_Service_Lands/USA_Federal_Lands (authoritative) and exported to a new feature class.

SOURCE: The US National Park Service manages 84.4 million acres that include the nation's 59 national parks, many national monuments, and other conservation and historical properties. These lands range from the 13 million acre Wrangell-St. Elias National Park and Preserve in Alaska to the 0.02 acre Thaddeus Kosciuszko National Memorial in Pennsylvania.

Dataset Summary Phenomenon Mapped: Administrative boundaries of units in the United States National Park Service system. Not all lands within the administrative boundaries are owned by the National Park Service. Coordinate System: Web Mercator Auxiliary Sphere Extent: 50 United States, District of Columbia, Puerto Rico, US Virgin Islands, Guam, American Samoa, and Northern Mariana Islands Visible Scale: The data is visible at all scales Source: NPS Administrative Boundaries National Park System Units layer Publication Date: January, 2023https://services.arcgis.com/P3ePLMYs2RVChkJx/arcgis/rest/services/USA_National_Park_Service_Lands_20170930/FeatureServer