; (2) location, entry, and patent under the mining laws; and (3) disposition under all laws relating to mineral and geothermal leasing or mineral materials. 132. Administration (a) Management Subject to valid existing rights, the Wilderness shall be administered by the Secretary concerned 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 the 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 of the Interior. (b) Livestock The grazing of livestock in the Wilderness, if established before the date of the enactment of this Act, shall be allowed to continue, subject to such reasonable regulations, policies, and practices as the Secretary concerned considers to be necessary in accordance with— (1) section 4(d)(4) of the Wilderness Act ( 16 U.S.C. 1133(d)(4) )