AREA OF CRITICAL ENVIRONMENTAL CONCERN SEGREGATION.

SEC. 502. AREA OF CRITICAL ENVIRONMENTAL CONCERN SEGREGATION. (a) Temporary Withdrawal.—Subject to valid existing rights, any Federal land in an Area of Critical Environmental Concern that is designated for withdrawal under the 1998 Las Vegas Resource Management Plan, and which is not already withdrawn by the effect of this or any other Act, is hereby withdrawn from location, entry, and patent under the mining laws for a period not to exceed five years. The withdrawal shall lapse at the earlier— (1) five years; or (2) when the Secretary issues a final decision on each proposed withdrawal. (b) Administrative Withdrawal.—The Secretary shall make final decisions on each of the temporary withdrawals described in subsection (a) within five years of the date of enactment of this Act. Such decisions shall be made consistent with the Federal Land Policy and Management Act (43 U.S.C. 1714), and in accordance with the 1998 Las Vegas Resource Management Plan. (c) Mineral Report.—The mineral reports required by section 204(c)(12) of the Federal Land Policy and Management Act shall be the responsibility of the United States Geological Survey and shall be completed for each of the temporary withdrawals described in subsection (a) within four years of the date of enactment of this Act.