; and (B) the approximately 30-mile segment from the Absaroka-Beartooth Wilderness boundary downstream to the Custer Gallatin National Forest boundary downstream of Natural Bridge Falls, to be administered by the Secretary of Agriculture as a recreational river. (241) Hellroaring creek, montana The portion of Hellroaring Creek consisting of the approximately 19-mile segment from the source in the Absaroka-Beartooth Wilderness downstream to the Custer Gallatin National Forest boundary, to be administered by the Secretary of Agriculture as a wild river. (242) Lake fork rock creek, montana The portions of Lake Fork Rock Creek consisting of— (A) the approximately 11-mile segment from the source in the Absaroka-Beartooth Wilderness downstream to the Absaroka-Beartooth Wilderness boundary, to be administered by the Secretary of Agriculture as a wild river; and (B) the approximately 2-mile segment from the Absaroka-Beartooth Wilderness boundary to the confluence with Rock Creek, to be administered by the Secretary of Agriculture as a recreational river. (243) Rock creek, montana The portion of Rock Creek in the State of Montana consisting of the approximately 14-mile segment from the border between the States of Montana and Wyoming to the Custer Gallatin National Forest boundary, to be administered by the Secretary of Agriculture as a recreational river. (244) Slough creek, montana The portion of Slough Creek consisting of the approximately 19-mile segment from the source in the Absaroka-Beartooth Wilderness downstream to the Custer Gallatin National Forest boundary, to be administered by the Secretary of Agriculture as a wild river. (245) Stillwater river, montana The portions of the Stillwater River consisting of— (A) the approximately 26-mile segment from the source in the Absaroka-Beartooth Wilderness downstream to the Wilderness boundary, to be administered by the Secretary of Agriculture as a wild river