NATIONAL PARK SERVICE
"Purpose is to conserve the scenery and the natural and historic objects and the wild life therein and to provide for
the enjoyment of the same in such manner and by such means as will leave them unimpaired for the enjoyment of future generations."
ACT TO ESTABLISH A NATIONAL PARK SERVICE (ORGANIC ACT), 1916
(Book & E-book)
"National Park Service Publishes Climate Change Report, But Questions Remain About Censorship"
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