National Forest comprising approximately 73,000 acres, as generally depicted on the map entitled _____ and dated ______, which shall be known as the Whitetail-Haystack Wilderness. (34) O’ N eil creek wilderness Certain Federal land within the Beaverhead-Deerlodge National Forest comprising approximately 7,000 acres, as generally depicted on the map entitled _____ and dated ______, which shall be known as the O’Neil Creek Wilderness. (35) Bangtail wilderness Certain Federal land within the Custer Gallatin National Forest comprising approximately 51,000 acres, as generally depicted on the map entitled _____ and dated ______, which shall be known as the Bangtail Wilderness. (n) Mt. leidy highlands/Wind river range corridor The following area in this corridor, designated in title II, is hereby designated as wilderness: (1) Fish lake mountain wilderness Certain Federal land within the Shoshone National Forest comprising approximately 7,000 acres, as generally depicted on the map entitled _____ and dated _____, which shall be known as the Fish Lake Mountain Wilderness. 109. Administration (a) Management generally Subject to valid existing rights, land designated as wilderness by this title shall be administered in accordance with the Wilderness Act ( 16 U.S.C. 1131 et seq.) by the Secretary concerned, except that— (1) any reference in the Wilderness Act to the effective date of the Wilderness Act or any similar reference shall be deemed to be a reference to the date of the enactment of this Act