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 66

STAT.]

PUBLIC LAW 403-JUNE 23, 1952

multiplying the total number of acres of land formerly intended to be included within the irriji:ation district but not so included by the sum of $54.72 per acre. (f) The Secretary, at any time subsequent to the execution of the contracts approved in this section, and not later than January 1, 1960, shall reclassify and designate as either class 1, 2, 3, 4, 4a, 4b, or 6, as provided in said contracts, all lands within the Malta and Glasgow Irrigation Districts designated as class 5 by the 1947 reclassification of lands, and the reclassification and designation as class 6 of any of said lands shall reduce the construction charge obligation of the district in which such class 6 lands are situated by the sum of $54.72 per acre. (g) The amounts deducted from the construction charge obligation of either or both the Malta and Glasgow Irrigation Districts, and from the total costs of the Milk River Project, as provided for herein and adjusted in the contracts approved in this section, shall be charged off as a permanent loss to the reclamation fund, but no adjustment shall be made by the United States by reason thereof with any individual landowner by way of refund of or credit on account of sums heretofore paid, repaid, returned, or due and payable to the United States, by way of exchange of land, or by any other method. FRENCHTOWN PROJECT, MONTANA

SEC. 5. The contract dated September 6, 1951, with the Frenchtown Irrigation District. SEC. 6. All costs and expenses incurred by the United States in negotiating and completing the contracts approved under sections 3 and 4 of this Act and in making the investigations in connection therewith and in future determinations under said contracts with respect to the productivity of temporarily unproductive lands shall, contingent upon the final confirmation and execution of the contracts, be nonreimbursable and nonreturnable under the Federal reclamation laws. The water rights formerly appurtenant to the permanently unproductive lands referred to in the contracts aforesaid shall be disposed of by the United States under the reclamation laws with a preference right to the water users on the respective reclamation projects. SEC. 7. This Act is declared to be a part of the Federal reclamation laws as those laws are defined in the Reclamation Project Act of 1939. Approved June 23, 1952. P u b l i c Law 4 0 3

43 USC 485k.

CHAPTER 4 5 2

AN ACT To promote the national defense by authorizing the constrvu-tion of aeronantical research facilities by the National Advisory Committee for Aeronautics necessary to the effective prosecution of aeronautical research.

Be it enacted by the Senate and House of RepreHentativeH of the United States of America in Congress assembled, That pursuant to subsection (b) of section 1 of Public Law 672, approved August 8, 1950, the National Advisory Committee for Aeronautics is authorized to undertake additional construction, and to purchase and install additional equipment at the following locations: Langley Aeronautical Laboratory, Hampton, Virginia: Conversion of pressure tunnel and construction of high-temperature structural research laboratory, $13,108,000. Lewis Flight Propulsion Laboratory, Cleveland, Ohio: High-pressure air supply and distribution system and expansion of air facilities for jet engine research, $6,592,000.

June 23, 1952 [H.R.6336]

Aeronautical facilities. 64 Stat. 418. 50 USC 151b.

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