; and (D) ongoing tribal efforts to protect and improve salmon habitat and the habitats of other threatened species populations are encouraged and supported in order to support the long-term health of the ecosystem and the economic benefit those resources provide. 3. Designation of Olympic National Forest wilderness areas (a) In General In furtherance of the Wilderness Act ( 16 U.S.C. 1131 et seq.), the following Federal land in the Olympic National Forest in the State of Washington comprising approximately 126,554 acres, as generally depicted on the map entitled Proposed Wild Olympics Wilderness and Wild and Scenic Rivers Act and dated May 29, 2012 (referred to in this section as the map ), is designated as wilderness and as components of the National Wilderness Preservation System: (1) Lost Creek Wilderness Certain Federal land managed by the Forest Service, comprising approximately 7,159 acres, as generally depicted on the map, which shall be known as the Lost Creek Wilderness . (2) Rugged Ridge Wilderness Certain Federal land managed by the Forest Service, comprising approximately 5,956 acres, as generally depicted on the map, which shall be known as the Rugged Ridge Wilderness . (3) Alckee Creek Wilderness Certain Federal land managed by the Forest Service, comprising approximately 1,787 acres, as generally depicted on the map, which shall be known as the Alckee Creek Wilderness . (4) Gates of the Elwha Wilderness Certain Federal land managed by the Forest Service, comprising approximately 5,669 acres, as generally depicted on the map, which shall be known as the Gates of the Elwha Wilderness . (5) Buckhorn Wilderness additions Certain Federal land managed by the Forest Service, comprising approximately 21,965 acres, as generally depicted on the map, is incorporated in, and shall be managed as part of, the Buckhorn Wilderness , as designated by section 3 of the Washington State Wilderness Act of 1984 ( 16 U.S.C. 1132 note