16 U.S.C. § 272d

(a) In general The Secretary shall administer, protect and develop the park in accordance with the provisions of the law generally applicable to units of the National Park System, including the Act entitled “An Act to establish a National Park Service, and for other purposes”, approved August 25, 1916 ( 39 Stat. 535 ). 1 1 See References in Text note below. (b) Lost Spring Canyon Addition (1) Withdrawal Subject to valid existing rights, all Federal land in the Lost Spring Canyon Addition is appropriated and withdrawn from entry, location, selection, leasing, or other disposition under the public land laws (including the mineral leasing laws). (2) Effect The inclusion of the Lost Spring Canyon Addition in the park shall not affect the operation or maintenance by the Northwest Pipeline Corporation (or its successors or assigns) of the natural gas pipeline and related facilities located in the Lost Spring Canyon Addition on October 30, 1998 .