63 STAT.] 81ST CONG. , 1ST SESS.-CHS. 589, 593, 595-OCT. 1 , 5 , 1949 purpose for which it was transferred, or that such release, conveyance, or quitclaim will not prevent accomplishment of the purpose for which the property was transferred and is necessary to protect or advance the interests of the United States in civil aviation: Provided, That any such release, conveyance, or quitclaim may be granted on, or made subject to, such terms and conditions as the Administrator of Civil Aeronautics deems necessary to protect or advance the interests of the United States in civil aviation: And provided further, That no release, conveyance, or quitclaim shall be executed by the Adminis- trator pursuant to this section except upon the condition that, in the event that the property to which such release, conveyance, or quitclaim relates shall be sold to any third party within five years after the date of enactment of this Act, the proceeds of such sale shall be devoted exclusively to the development, improvement, operation, or maintenance of a public airport. SEC. 5. Paragraph 4 of subsection 13 (g) of the Surplus Property Act of 1944, as amended, is repealed. Approved October 1, 1949. [CHAPTER 593] AN ACT To authorize the carrying out of the provisions of article 7 of the treaty of Febru- ary 3, 1944, between the United States and Mexico, regarding the joint develop- ment of hydroelectric power at Falcon Dam, on the Rio Grande, and for other purposes. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That, in accordance with the provisions of understanding (a) of the Senate resolution of ratification of the treaty of February 3, 1944, between the United States and Mexico, the approval of the Congress is hereby given to the negotiation of an agreement, in accordance with the provisions of article 7 of said treaty, for the joint construction, operation, and maintenance on a self-liquidating basis for the United States share, by the two sections of the International Boundary and Water Com- mission, United States and Mexico, of facilities for generating hydro- electric energy at the Falcon Dam on the Rio Grande being constructed by the said Commission under the provisions of article 5 of the said treaty. SEC. 2. There is hereby authorized to be appropriated, out of any money in the Treasury not otherwise appropriated, such sums as may be necessary to carry out the provisions of this Act: Provided, That funds heretofore appropriated to the Department of State under the heading "International Boundary and Water Commission, United States and Mexico" shall be available for expenditure for the purposes of this Act. Approved October 5, 1949. [CHAPTER 595] AN ACT To provide for the release of all the right, title, and interest of the United States in a certain portion of a tract of land conditionally granted by it to the county of Los Angeles. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Secretary of the Army is authorized and directed to convey, relinquish, and re- lease to the county of Los Angeles, State of California, all the right, title, and interest of the United States in and to a certain portion of 701 Protection of U. S. interests. Sale of property. 61 Stat. 680. 50 U. S. C., Supp. II, app. §1622 (g) (4. Ante, p. 399. October 5, 1949 [H. R. 5773] [Public Law 312] Falcon Dam. Hydroelectric power. 59 Stat. 1263. 59 Stat. 1231 . 59 Stat. 1228. Appropriation authorized. Availability of funds. Aine, p. 451. October 5,1949 [H. R. 524] [Public Law 313] LosAngelesCounty, Calif. Conveyance.
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