174 PUBLIC LAWS--CH. 198-JUNE 13, 1949 [63 STAT. any purpose by any land and water right or water-right applicant shall not be applied to any tax or assessment of the organization if any obligations payable to the United States under the Act of January g9Stat. s8; 43Stat. 25, 1917, as amended, or the joint resolution of February 21, 1925, remain due and unpaid. Such contract shall further provide that any lien held by the organization on lands covered by any land and water right or water-right application shall be inferior to the rights of the United States with respect to charges upon such lands under the Act of January 25, 19172 as amended, or the joint resolution of February 21, 1925, and to the lien thereon reserved by the United States pursuant to section 5 (b) of this Act. onstution, e tc , (b) Upon the execution of a satisfactory contract pursuant to sub- section (a), subject to the availability of funds therefor, the Secretary is authorized to proceed with such construction, extensions, and im- provements as may be necessary to effectuate the purpose of such contract. water of i and SEC. 5. (a) After a contract shall have been executed pursuant to section 4, land and water rights in the Yuma auxiliary project may be sold at private sale, pursuant to the provisions of the Act of January 25, 1917 (39 Stat. 868), as amended and the joint resolution of Febru- ary 21, 1925 (43 Stat. 962), for a purchase price of not less than (1) $32 per acre for the land and (2) a sum for the water right consisting of not less than $160 per acre for the cost of the reclamation works pre- viously constructed exclusively for the Yuma auxiliary project. Such purchase price shall be in addition to any charges or assessments which may be levied by the organization to pay for the per acre con- struction, extension, and improvement costs allocable to such land Ante, p. 173. under any contract executed pursuant to section 4 of this Act: Pro- vided, That said purchase price shall not include any part of the cost of works of the Yuma project and such costs, less applicable credits, shall not be repayable to the United States: And provided further, That after a contract shall have been executed pursuant to section 4 and water is ready for delivery to the Yuma auxiliary project through the works of the Gila project, the water users of the Yuma auxiliary project shall cease to be liable for any charges for the operation and maintenance of the Yuma project, except such charges as may then be due and unpaid. ien by. . (b) To insure payment of any sums due or which may become due to the United States under land and water right or water-right appli- cations under the Act of January 25, 1917, as amended, and the Joint resolution of February 21, 1925, the United States, as of the date of the application, shall have a lien for the entire amount of its charges which shall be prior to all other liens, mortgages, claims, or interests whatsoever. Upon default of payment of any amount so due, the United States is empowered to declare the whole of the unaccrued portion of the charges due and payable and may file suit to foreclose the lien for all accrued charges in any court of competent jurisdiction and sell said land to satisfy the obligation due the United States. This remedy, however, shall not be exclusive. SEC. 6. All provisions of the Act of January 15, 1917 (39 Stat. 868), as amended, and the joint resolution of February 21, 1925 (43 Stat. 962), not inconsistent with the provisions of this Act shall remain in full force and effect. Dispositionof B-lif SEC. 7 . After a contract shall have been executed pursuant to sec- tion 4 and water is ready for delivery to the Yuma auxiliary project through the works of the Gila project, the Secretary is hereby author- ized to dismantle the existing B-lift pumping plant of the Yuma auxiliary project and to dispose of any salable parts thereof, either by public or private sale. All moneys realized from the sale of such
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