43 U.S.C. § 591a — Boise project, Idaho; Arrowrock Dam; in-

Page 194 TITLE 43—PUBLIC LANDS § 591 SUBCHAPTER XVII—LEGISLATION APPLI- CABLE TO PARTICULAR PROJECTS GEN- ERALLY § 591. Omitted Editorial Notes CODIFICATION Section, act Feb. 28, 1923, ch. 145, § 5, 42 Stat. 1325, re- lated to extension of time for payment of operation and maintenance charges on projects other than the Boise, Idaho, project. See section 493a of this title. § 591a. Boise project, Idaho; Arrowrock Dam; in- stallment payments of costs of repairs, resur- facing, improvement, etc. For the purpose of avoiding an unduly high op- eration and maintenance assessment in any one year and to keep the operation and maintenance charges in connection with the Arrowrock Divi- sion of the Boise reclamation project within the ability of the water users to pay, the Secretary of the Interior is authorized to allow the irriga- tion districts of the said Arrowrock Division and the irrigation districts ditch companies, and water users who have assumed obligations to pay proportionate parts of the estimated cost of the operation and maintenance of the Arrowrock Reservoir, to pay the costs, as deter- mined conclusively by said Secretary, incurred in the repair, resurfacing, and improvement of the Arrowrock Dam and in increasing the height thereof (to provide additional capacity to offset past and, to some extent, future losses of capac- ity resulting from the deposit of silt in the said reservoir) in twenty annual installments instead of requiring the payment of all of such operation and maintenance costs in one year as provided in section 492 of this title: Provided, That such costs, for the purpose of any amendatory con- tracts affecting the construction charges of Arrowrock Dam that may be entered into as au- thorized by subchapter X of this chapter, may, in the discretion of the Secretary, be treated as part of the construction charges of said dam, and as payable in the same manner as such charges. (Apr. 22, 1940, ch. 132, 54 Stat. 155.) Editorial Notes REFERENCES IN TEXT Subchapter X (§ 485 et seq.) of this chapter, referred to in text, was in the original a reference to act of Aug. 4, 1939 (53 Stat. 1187), which is known as the Reclama- tion Project Act of 1939, and which enacted subchapter X of this chapter, sections 375a, 380a, and 387 to 389 of this title, and section 16d of former Title 41, Public Contracts, and enacted provision set out as a note under section 485j of this title. For complete classifica- tion of this Act to the Code, see section 485k of this title and Tables. § 592. Omitted Editorial Notes CODIFICATION Section, act Feb. 28, 1919, ch. 78, 40 Stat. 1210, granted leave of absence to any entryman who, prior to Feb. 28, 1919, made entry upon land withdrawn under reclama- tion law, until water became available for irrigation. § 593. Flathead irrigation project, Montana The provisions of sections 441 and 442 of this title, authorizing the assignment under certain conditions of homesteads within reclamation projects, and of subchapter XIV of this chapter, authorizing under certain conditions the issuance of patents on reclamation entries, and for other purposes, are hereby extended and made applicable to lands within the Flathead ir- rigation project, in the former Flathead Indian Reservation, Montana, but such lands shall oth- erwise be subject to the provisions of the Act of Congress approved April 23, 1904 (Thirty-third Statutes at Large, page 302), as amended by the Act of Congress approved May 29, 1908 (Thirty- fifth Statutes at Large, page 448): Provided, That the lien reserved to the United States on the land patented, as provided for in section 542 of this title, shall include all sums due or to be- come due to the United States on account of the Indian price of such land. (July 17, 1914, ch. 143, 38 Stat. 510.) Editorial Notes REFERENCES IN TEXT Subchapter XIV (§ 541 et seq.) of this chapter, referred to in text, was in the original a reference to act Aug. 9, 1912, 37 Stat. 265. Act April 23, 1904, referred to in text, is not classified to the Code. § 593a. Construction, operation, and maintenance of Hungry Horse Dam For the purpose of irrigation and reclamation of arid lands, for controlling floods, improving navigation, regulating the flow of the South Fork of the Flathead River, for the generation of electric energy, and for other beneficial uses primarily in the State of Montana but also in downstream areas, the Secretary of the Interior is authorized and directed to proceed as soon as practicable with the construction, operation, and maintenance of the proposed Hungry Horse Dam (including facilities for generating electric energy) on the South Fork of the Flathead River, Flathead County, Montana, to such a height as may be necessary to impound not less than one million acre-feet of water. The Hungry Horse project shall be subject to the Federal rec- lamation laws (Act of June 17, 1902 (32 Stat. 388), and Acts amendatory thereof or supplementary thereto). The Secretary of the Interior is authorized to complete, as soon as the necessary additional material is available, the construction of the Hungry Horse Dam so as to provide a storage reservoir of the maximum usable and feasible capacity. (June 5, 1944, ch. 234, §§ 1, 2, 58 Stat. 270; Pub. L. 85–428, May 29, 1958, 72 Stat. 147.) Editorial Notes REFERENCES IN TEXT Act of June 17, 1902, referred to in text, is popularly known as the Reclamation Act, which is classified gen- erally to this chapter. For complete classification of this Act to the Code, see Short Title note set out under section 371 of this title and Tables.