; (B) the Office of the Nevada State Director of the Bureau of Land Management; (C) the Carson City Field Office of the Bureau of Land Management; and (D) the Fallon Field Station of the Bureau of Land Management. (d) Withdrawal Subject to valid existing rights, the wilderness areas designated by subsection (a) are withdrawn from— (1) all forms of entry, appropriation, and disposal under the public land laws; (2) location, entry, and patent under the mining laws; and (3) operation of the mineral leasing and geothermal leasing laws. 304. Administration (a) Management Subject to valid existing rights, each area designated as wilderness by this title 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 the enactment of this Act