Wilderness Certain Federal land within the Boise National Forest comprising approximately 15,000 acres, identified as Elk Creek on the Map, which shall be known as the Elk Creek Wilderness . (U) Steel Mountain Wilderness Certain Federal land within the Boise National Forest comprising approximately 23,488 acres, identified as Steel Mountain on the Map, which shall be known as the Steel Mountain Wilderness . (V) Rainbow Wilderness Certain Federal land within the Boise National Forest comprising approximately 31,492 acres, identified as Rainbow on the Map, which shall be known as the Rainbow Wilderness . (W) Grand Mountain Wilderness Certain Federal land within the Boise National Forest comprising approximately 14,477 acres, identified as Grand Mountain on the Map, which shall be known as the Grand Mountain Wilderness . (X) Sheep Creek Wilderness Certain Federal land within the Boise National Forest comprising approximately 90,954 acres, identified as Sheep Creek on the Map, which shall be known as the Sheep Creek Wilderness . (Y) Snowbank Wilderness Certain Federal land within the Boise National Forest comprising approximately 35,757 acres, identified as Snowbank on the Map, which shall be known as the Snowbank Wilderness . (Z) House Mountain Wilderness Certain Federal land within the Boise National Forest comprising approximately 25,619 acres, identified as House Mountain on the Map, which shall be known as the House Mountain Wilderness . (AA) Danskin Wilderness Certain Federal land within the Boise National Forest comprising approximately 30,683 acres, identified as Danskin on the Map, which shall be known as the Danskin Wilderness . (BB) Cow Creek Wilderness Certain Federal land within the Boise National Forest comprising approximately 14,722 acres, identified as Cow Creek on the Map, which shall be known as the Cow Creek Wilderness . (CC) Wilson Peak Wilderness Certain Federal land within the Boise National Forest comprising approximately 7,938 acres, identified as Wilson Peak on the Map, which shall be known