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Inventory Atlas

Supplement 1c. National Park Service Program Description

Program Mission. The National Park Service preserves unimpaired the natural and cultural resources and values of the National Park System for the enjoyment, education, and inspiration of this and future generations. The Park Service cooperates with partners to extend the benefits of natural and cultural resource conservation and outdoor recreation throughout this country and the world.

Authorizing Legislation. Three laws constitute the primary authorities for administration of the National Park System. Under the 1916 National Park Service Organic Act, the agency is charged with stewardship of the parks to “…conserve the scenery and the natural and historic objects and the wildlife therein and to provide for the enjoyment of the same in such a manner and by such means as will leave them unimpaired for the enjoyment of future generations.”

The General Authorities Act of 1970 defined the National Park System as including all areas administered by the National Park Service “…for park, monument, historic, parkway, recreational, or other purposes,” and declared that all units of the System will be managed in accordance with their respective individual statutory directives, in addition to the Congressional direction found in the Organic Act and other relevant legislation, providing the general legislation does not conflict with specific provisions.

The 1978 Redwood National Park Act further amended National Park Service authorities by mandating that all park units be managed and protected “in light of the high public value and integrity of the National Park System” and that no activities should be undertaken “in derogation of the values and purposes for which these various areas have been established,” except where specifically authorized by law. The National Park Service cares for special places saved by the American people so that all may experience our heritage.

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Management. Each unit of the National Park System was created by an act of Congress or Presidential Proclamation under the Antiquities Act of 1906. Regulations governing general uses, closures, and resource protection for the National Park System are found in the Code of Federal Regulations Title 36, parts 1 and 2. Special regulations for each park are found in 36 CFR, part 7.

Types of Areas Protected. The National Park System is comprised of more than 375 individual units administered by the National Park Service for their intrinsic natural, cultural, and recreational values. There are numerous designations within the National Park System. Many names are descriptive (lakeshores, seashores, battlefields) but others cannot be neatly categorized (parks, preserves, recreation areas) because of the diversity of resources within them. In 1970, Congress elaborated on the 1916 National Park Service Organic Act, saying all units of the system have equal legal standing in a national system.

The National Park System encompasses approximately 83.6 million acres, representing many different ecosystems. The largest area is Wrangell-St. Elias National Park and Preserve, Alaska. At 13,200,000 acres it is 16.3 percent of the entire system. The smallest unit in the system is Thaddeus Kosciuszko National Memorial, Pennsylvania, at 0.02 of an acre.

Inventory Status of Program Sites. The National Parks Service currently has 39 sites included in the national MPA inventory. An additional 20 coastal parks may be considered because they protect integral parts of marine ecosystems and are ecologically dependent on marine waters, but do not contain submerged lands. This preliminary inventory of sites in the National Park System describes only the 40 parks with substantial submerged lands within their boundaries, others may be added upon subsequent reviews.

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