; and (2) this Act. (e) Effect of section Nothing in this section affects the ownership or management of, or any other right relating to, any non-Federal land (including any interest in non-Federal land). III Conservation 301. Designation of wilderness areas In furtherance of the purposes of the Wilderness Act ( 16 U.S.C. 1131 et seq.), and subject to valid existing rights, the following areas in the State are designated as wilderness areas and as components of the National Wilderness Preservation System: (1) Bob Marshall Wilderness additions Certain land in the Lolo National Forest, comprising approximately 39,422 acres generally depicted as the North Fork Blackfoot-Monture Creek Addition (Bob Marshall Addition) and approximately 7,784 acres generally depicted as the Grizzly Basin of the Swan Range Addition on the Map, is incorporated in, and shall be considered to be a part of, the Bob Marshall Wilderness. (2) Mission Mountains Wilderness addition Certain land in the Lolo National Forest, comprising approximately 4,462 acres generally depicted as the West Fork Clearwater Addition on the Map, is incorporated in, and shall be considered to be a part of, the Mission Mountains Wilderness designated by Public Law 93–632 (88 Stat. 2153). (3) Scapegoat Wilderness additions Certain land in the Lolo National Forest, comprising approximately 27,392 acres generally depicted as the North Fork Blackfoot-Monture Creek Addition (Scapegoat Addition) on the Map, is incorporated in, and shall be considered to be a part of, the Scapegoat Wilderness designated by Public Law 92–395 (86 Stat. 578). 302. Administration of wilderness areas (a) Management Subject to valid existing rights, each wilderness addition designated by section 301 shall be administered by the Secretary in accordance with the Wilderness Act ( 16 U.S.C. 1131 et seq.), except that any reference in that Act to the effective date of the Act shall be considered to be a reference to the date of enactment of this Act. (b) Incorporation of acquired land and interests