of Land Management comprising approximately 10,890 acres, identified as Devil Mountain on the Map, which shall be known as the Devil Mountain Wilderness . (L) Specimen Creek Wilderness Certain Federal land within the Helena-Lewis and Clark National Forest comprising approximately 12,327 acres, identified as Specimen Creek on the Map, which shall be known as the Specimen Creek Wilderness . (M) Nevada Mountain Wilderness Certain Federal land within the Helena-Lewis and Clark National Forest comprising approximately 50,135 acres, identified as Nevada Mountain on the Map, which shall be known as the Nevada Mountain Wilderness . (N) Crater Mountain Wilderness Certain Federal land in the Helena-Lewis and Clark National Forest comprising approximately 9,612 acres, identified as 367 on the Map, which shall be known as the Crater Mountain Wilderness . (O) Chamberlain Mountain Wilderness Certain public land administered by the Missoula Field Office of the Bureau of Land Management comprising approximately 11,412 acres, identified as 359 on the Map, which shall be known as the Chamberlain Mountain Wilderness . (P) Badger-Two Medicine Wilderness Certain Federal land within the Helena-Lewis and Clark National Forest comprising approximately 125,795 acres, identified as Badger-Two Medicine on the Map, which shall be known as the Badger-Two Medicine Wilderness . 103. Greater Yellowstone ecosystem (a) Definition of Map In this section, the term Map means the map entitled Greater Yellowstone and dated April 10, 2023. (b) Designations To protect the unique ecosystem of the greater Yellowstone ecosystem, the following land is designated as wilderness: (1) Absaroka-Beartooth Wilderness Additions Certain Federal land within the Custer Gallatin National Forest and the Shoshone National Forest comprising approximately 307,069 acres, identified as Absaroka-Beartooth Additions and North Absaroka-Beartooth Additions on the Map, is incorporated in, and shall be administered as part of, the Absaroka-Beartooth Wilderness. (2) North Absaroka