PUBLIC LAW 104-201—SEPT. 23, 1996 110 STAT. 2813 SEC. 2912. AMENDMENT TO MILITARY LANDS WITHDRAWAL ACT OF 1986. (a) USE OF CERTAIN RESOURCES.— Section 3(0 of the Military Lands Withdrawal Act of 1986 (Public Law 99-606; 100 Stat. 3461) is amended by adding at the end the following new paragraph: "(2) Subject to valid existing rights, the Secretary of the military department concerned may utilize sand, gravel, or similar mineral or material resources when the use of such resources is required for construction needs on the respective lands withdrawn by this Act.". (b) TECHNICAL CORRECTION.— Section 9(b) of the Military Lands Withdrawal Act of 1986 (Public Law 99-606; 100 Stat. 3466) is amended by striking "section 7(f)" and inserting in lieu thereof "section 8(f)". SEC. 2913. AUTHORIZATION OF APPROPRIATIONS. There are hereby authorized to be appropriated such sums as may be necessary to carry out the purposes of this subtitle. Subtitle B—El Centro Naval Air Facility Ranges Withdrawal SEC. 2921. SHORT TITLE AND DEFINITIONS. (a) SHORT TITLE. —T his subtitle may be cited as the "El Centro Naval Air Facility Ranges Withdrawal Act". (b) DEFINITIONS. —In this subtitle: (1) The term "El Centro" means the Naval Air Facility, El Centro, California. (2) The term "cooperative agreement" means the cooperative agreement entered into between the Bureau of Land Management, the Bureau of Reclamation, and the Department of the Navy, dated June 29, 1987, with regard to the defenserelated uses of Federal lands to further the mission of El Centro. (3) The term "relinquishment notice" means a notice of intention by the Secretary of the Navy under section 2928(a) to relinquish, before the termination date specified in section 2925, the withdrawal and reservation of certain lands withdrawn under this subtitle. SEC. 2922. WITHDRAWAL AND RESERVATION OF LANDS FOR EL CENTRO. (a) WITHDRAWALS.— Subject to valid existing rights, and except as otherwise provided in this subtitle, the Federal lands utilized in the mission of the Naval Air Facility, El Centro, California, that are described in subsection (c) are hereby withdrawn from all forms of appropriation under the public land laws, including the mining laws, but not the mineral leasing or geothermal leasing laws or the mineral materials sales laws. (b) RESERVATION. — The lands withdrawn under subsection (a) are reserved for the use by the Secretary of the Navy— (1) for defense-related purposes in accordance with the cooperative agreement; and (2) subject to notice to the Secretary of the Interior under section 2924(e), for other defense-related purposes determined by the Secretary of the Navy. El Centro Naval Air Facility Ranges Withdrawal Act. California.