; (B) location, entry, and patent under the mining laws; and (C) disposition under all laws relating to mineral and geothermal leasing or mineral materials. 302. Administration (a) Management Subject to valid existing rights, the wilderness areas shall be administered by the Secretary in accordance with the Wilderness Act ( 16 U.S.C. 1131 et seq.), except that— (1) any reference in that Act to the effective date shall be considered to be a reference to the date of enactment of this Act; and (2) any reference in that Act to the Secretary of Agriculture shall be considered to be a reference to the Secretary. (b) Livestock The grazing of livestock in the wilderness areas, if established before the date of enactment of this Act, shall be allowed to continue, subject to such reasonable regulations, policies, and practices as the Secretary considers to be necessary in accordance with— (1) section 4(d)(4) of the Wilderness Act ( 16 U.S.C. 1133(d)(4) )