mation proffered by the Henderson 
Redevelopment Agency, the Respon-
sible Party, and the State in the prep-
aration of the estimate under this 
subparagraph. 
(II) FINAL DETERMINATION.—If 
there is a disagreement among the 
Secretary, Henderson Redevelopment 
Agency, and the State over the rea-
sonable estimate of costs under this 
subparagraph, the parties shall jointly 
select 1 or more experts to assist the 
Secretary in making the final estimate 
of the costs. 
(D) DEADLINE.—Not later than 30 days 
after the date of enactment of this Act, the Sec-
retary shall begin the appraisal and cost esti-
mates under subparagraphs (B) and (C), re-
spectively. 
(E) APPRAISAL
COSTS.—The Henderson 
Redevelopment Agency or the Responsible 
Party shall reimburse the Secretary for the 
costs incurred in performing the appraisal 
under subparagraph (B).
(F) ADJUSTMENT.—The Secretary shall 
administratively adjust the fair market value of 
the Federal land, as determined under subpara-
graph (B), based on the estimate of remedi-
ation, and reclamation costs, as determined 
under subparagraph (C). 
(2) MINE
REMEDIATION
AND
RECLAMATION 
AGREEMENT EXECUTED.— 
(A) IN GENERAL.—The conveyance under 
subsection (a) shall be contingent on— 
(i) the Secretary receiving from the 
State written notification that a mine re-
mediation and reclamation agreement has 
been executed in accordance with subpara-
graph (B); and 
(ii) the Secretary concurring, not later 
than 30 days after the date of receipt of 
the written notification under clause (i), 
that the requirements under subparagraph 
(B) have been met. 
(B) REQUIREMENTS.—The mine remedi-
ation and reclamation agreement required 
under subparagraph (A) shall be an enforceable 
consent order or agreement between the State 
and the Responsible Party who will be obligated
to perform under the consent order or agree-
ment administered by the State that— 
(i) obligates the Responsible Party to 
perform, after the conveyance of the Fed-
eral land under this Act, the remediation 
and reclamation work at the Three Kids 
Mine Project Site necessary to ensure all 
remedial actions necessary to protect 
human health and the environment with 
respect to any hazardous substances, pol-
lutant, or contaminant will be taken, in ac-
cordance with all Federal, State, and local 
requirements; and 
(ii) contains provisions determined to 
be necessary by the State and the Hender-
son Redevelopment Agency, including fi-
nancial assurance provisions to ensure the 
completion of the remedy. 
(3) NOTIFICATION FROM AGENCY.—As a condi-
tion of the conveyance under subsection (a), not 
later than 90 days after the date of execution of the 
mine remediation and reclamation agreement re-
quired under paragraph (2), the Secretary shall ac-
cept written notification from the Henderson Rede-
velopment Agency that the Henderson Redevelop-
ment Agency is prepared to accept conveyance of the 
Federal land under subsection (a). 
SEC. 4. WITHDRAWAL. 
(a) IN GENERAL.—Subject to valid existing rights, 
for the 10-year period beginning on the earlier of the date 
of enactment of this Act or the date of the conveyance 
required by this Act, the Federal land is withdrawn from 
all forms of— 
(1) entry, appropriation, operation, or disposal 
under the public land laws; 
(2) location, entry, and patent under the mining 
laws; and 
(3) disposition under the mineral leasing, min-
eral materials, and the geothermal leasing laws. 
(b) EXISTING RECLAMATION WITHDRAWALS.—Sub-
ject to valid existing rights, any withdrawal under the pub-
lic land laws that includes all or any portion of the Federal 
land for which the Bureau of Reclamation has determined 
that the Bureau of Reclamation has no further need under 
applicable law is relinquished and revoked solely to the ex-
tent necessary— 
(1) to exclude from the withdrawal the property 
that is no longer needed; and 
(2) to allow for the immediate conveyance of 
the Federal land as required under this Act.
(c) EXISTING RECLAMATION PROJECT
AND PER-
MITTED FACILITIES.—Except as provided in subsection 
(a), nothing in this Act diminishes, hinders, or interferes 
with the exclusive and perpetual use by the existing rights 
holders for the operation, maintenance, and improvement 
of water conveyance infrastructure and facilities, including 
all necessary ingress and egress, situated on the Federal 
land that were constructed or permitted by the Bureau 
of Reclamation before the effective date of this Act. 
SEC. 5. ACEC BOUNDARY ADJUSTMENT. 
Notwithstanding section 203 of the Federal Land 
Policy and Management Act of 1976 (43 U.S.C. 1713), 
the boundary of the River Mountains Area of Critical En-
vironmental Concern (NVN 76884) is adjusted to exclude 
any portion of the Three Kids Mine Project Site consistent 
with the map. 
SEC. 6. RESPONSIBILITIES OF THE PARTIES. 
(a) RESPONSIBILITY OF PARTIES TO MINE REMEDI-
ATION AND RECLAMATION AGREEMENT.—On completion 
of the conveyance under section 3, the responsibility for 
complying with the mine remediation and reclamation 
agreement executed under section 3(b)(2) shall apply to 
the Responsible Party and the State of Nevada. 
(b) SAVINGS PROVISION.—If the conveyance under 
this Act has occurred, but the terms of the agreement exe-