II 

Calendar No. 616 

118TH CONGRESS 

2D SESSION S. 4222 

To adjust the boundary of the Mojave National Preserve in the State of 

California to include the land within the Castle Mountains National 

Monument. 

IN THE SENATE OF THE UNITED STATES 

MAY 1, 2024 

Mr. PADILLA introduced the following bill; which was read twice and referred 

to the Committee on Energy and Natural Resources 

NOVEMBER 21, 2024 

Reported by Mr. MANCHIN, with an amendment 

[Strike out all after the enacting clause and insert the part printed in italic] 

A BILL 

To adjust the boundary of the Mojave National Preserve 

in the State of California to include the land within 

the Castle Mountains National Monument. 

1 Be it enacted by the Senate and House of Representa2 tives of the United States of America in Congress assembled, 

3 SECTION 1. SHORT TITLE. 

4 This Act may be cited as the ‘‘Mojave National Pre5 serve Boundary Adjustment Act’’. 


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•S 4222 RS

1 SEC. 2. ADDITION OF CASTLE MOUNTAINS NATIONAL 

2 MONUMENT LAND TO THE MOJAVE NA3 TIONAL PRESERVE, CALIFORNIA. 

4 (a) BOUNDARY ADJUSTMENT.—The boundary of the 

5 Mojave National Preserve established by section 502 of 

6 the California Desert Protection Act of 1994 (16 U.S.C. 

7 410aaa–42) (referred to in this Act as the ‘‘Preserve’’) 

8 is adjusted to include the Federal land described in sub9 section (b). 

10 (b) DESCRIPTION OF FEDERAL LAND.—The Federal 

11 land referred to in subsection (a) is the approximately 

12 20,920 acres of land designated as the Castle Mountains 

13 National Monument by Presidential Proclamation Number 

14 9394, dated February 12, 2016 (54 U.S.C. 320301 note), 

15 as depicted on the map accompanying the proclamation. 

16 (c) AVAILABILITY OF MAP.—The map referred to in 

17 subsection (b) shall be on file and available for public in18 spection in the appropriate offices of the National Park 

19 Service. 

20 (d) ADMINISTRATION.—The Secretary of the Interior 

21 (acting through the Director of the National Park Service) 

22 shall administer the Federal land added to the Preserve 

23 by subsection (a)— 

24 (1) as part of the Preserve; and 

25 (2) in accordance with applicable laws (includ26 ing regulations). 


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•S 4222 RS

1 SECTION 1. SHORT TITLE. 

2 This Act may be cited as the ‘‘Mojave National Pre3 serve Boundary Adjustment Act’’. 

4 SEC. 2. ADDITION OF CASTLE MOUNTAINS NATIONAL 

5 MONUMENT LAND TO THE MOJAVE NATIONAL 

6 PRESERVE, CALIFORNIA. 

7 (a) DEFINITIONS.—In this section: 

8 (1) MAP.—The term ‘‘Map’’ means the map ac9 companying the Proclamation. 

10 (2) PRESERVE.—The term ‘‘Preserve’’ means the 

11 Mojave National Preserve. 

12 (3) PROCLAMATION.—The term ‘‘Proclamation’’ 

13 means the Presidential Proclamation 9394, dated 

14 February 12, 2016 (54 U.S.C. 320301 note). 

15 (4) SECRETARY.—The term ‘‘Secretary’’ means 

16 the Secretary of the Interior. 

17 (b) BOUNDARY ADJUSTMENT.—The boundary of the 

18 Mojave National Preserve established by section 502 of the 

19 California Desert Protection Act of 1994 (16 U.S.C. 

20 410aaa–42) is adjusted to include the Federal land de21 scribed in subsection (c). 

22 (c) DESCRIPTION OF FEDERAL LAND.—The Federal 

23 land referred to in subsection (b) is the approximately 

24 20,920 acres of land designated as the Castle Mountains 

25 National Monument by the Proclamation, as depicted on 

26 the Map. 


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•S 4222 RS

1 (d) AVAILABILITY OF MAP.—The Map shall be on file 

2 and available for public inspection in the appropriate of3 fices of the National Park Service. 

4 (e) ADMINISTRATION.— 

5 (1) IN GENERAL.—The Secretary shall admin6 ister the Federal land added to the Preserve by sub7 section (b)— 

8 (A) as part of the Preserve; and 

9 (B) in accordance with applicable laws (in10 cluding regulations). 

11 (2) CASTLE MOUNTAIN MINE AREA.— 

12 (A) IN GENERAL.—Subject to subparagraph 

13 (C), the Secretary, acting through the Director of 

14 the Bureau of Land Management, shall continue 

15 to manage the Federal land described in sub16 paragraph (B) pursuant to the Federal Land 

17 Policy and Management Act of 1976 (43 U.S.C. 

18 1701 et seq.) and other applicable laws. 

19 (B) DESCRIPTION OF FEDERAL LAND.—The 

20 Federal land referred to in subparagraphs (A) 

21 and (C) is the Federal land and interests in the 

22 Federal land within the area identified as ‘‘Cas23 tle Mountain Mine Area’’ on the Map. 

24 (C) TRANSFER OF ADMINISTRATIVE JURIS25 DICTION.— 


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•S 4222 RS

1 (i) IN GENERAL.—On the date on 

2 which the Secretary makes a determination 

3 described in clause (ii), the Secretary shall, 

4 consistent with applicable laws, transfer ad5 ministrative jurisdiction over the Federal 

6 land described in subparagraph (B) from 

7 the Bureau of Land Management to the Na8 tional Park Service, to be administered as 

9 part of the Preserve. 

10 (ii) DETERMINATION DESCRIBED.—A 

11 determination referred to in clause (i) is a 

12 determination by the Secretary that, with 

13 respect to the Federal land described in sub14 paragraph (B)— 

15 (I) all mining and mining-related 

16 activities have terminated and rec17 lamation is complete; or 

18 (II) there has been a 10-year pe19 riod after the date of issuance of the 

20 Proclamation during which no com21 mercial mining activities have oc22 curred pursuant to a Bureau of Land 

23 Management-approved plan of oper24 ation. 


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•S 4222 RS

1 (f) WATER RESOURCES.—The Secretary, in coopera2 tion with appropriate State officials and subject to applica3 ble Federal and State law, shall ensure the availability of 

4 water resources, including groundwater resources, needed 

5 for purposes of the Federal land added to the Preserve by 

6 subsection (b). 

7 (g) VALID EXISTING RIGHTS.—Nothing in this section, 

8 including the inclusion of additional Federal land in the 

9 Preserve under subsection (b) or (e)(2)(C), affects valid ex10 isting rights. 

11 SEC. 3. TRANSFER OF ADMINISTRATIVE JURISDICTION. 

12 Administrative jurisdiction over the portion of the 

NE1⁄4SW1 13 ⁄4 sec. 11, T. 14 N., R. 17 E., of the San 

14 Bernardino Meridian, lying easterly of a line 100 feet west15 erly of the centerline of an existing road that traverses the 

16 quarter from northeast to southwest, as generally depicted 

17 on the map entitled ‘‘Mojave National Preserve Proposed 

18 Land Transfer’’, numbered 170/195,273, and dated Novem19 ber 2024, is transferred from the National Park Service to 

20 the Bureau of Land Management. 


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Calendar No. 616 

118TH CONGRESS 

2D SESSION S. 4222 

A BILL 

To adjust the boundary of the Mojave National 

Monument. land within the Castle Mountains National Preserve in the State of California to include the 

NOVEMBER 21, 2024 

Reported with an amendment 


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