78 STAT. ]
PUBLIC LAW 88-566-SEPT. 2, 1964
issue. If the interest rate so computed is not a multiple of oneeighth of 1 per centum, the rate of interest to be used for these purposes shall be the multiple of one-eighth of 1 per centum next lower than the rate so computed. The portions of the costs which are allocable to commercial power development and to municipal and industrial water supply shall be repaid over a period of fifty years with interest at the rate determined in accordance with this section. The portion of the cost which is allocable to irrigation shall be repaid, pursuant to reclamation law, within fifty years plus any authorized development period. SEC. 6. The Secretary is authorized in connection with the project to construct, operate, and maintain or otherwise provide for the basic public outdoor recreation facilities, to acquire or otherwise to include within the project area such adjacent lands or interests therein as are necessary for public recreation use, to allocate water and reservoir capacity to recreation, and to provide for the public use and enjoyment of project lands, facilities, and water areas in a manner coordinated with other project purposes. The Secretary is authorized to enter into agreements with Federal agencies or State or local public bodies for the operation, maintenance, and additional development of project lands or facilities, or to dispose of project lands or facilities to Federal agencies, or State or local public bodies by lease, transfer, conveyance, or exchange, upon such terms and conditions as will best promote the development and operation of such lands or facilities in the public interest for recreation purposes. The costs of the aforesaid undertakings, and the costs of the project allocated to fish and wildlife enhancement, including costs of investigation, planning. Federal operation and maintenance, and an appropriate share of joint costs of the project, shall be nonreimbursable. Nothing herein shall limit the nuthority of the Secretary granted by existing provisions of law relating to recreation development of water resource projects, or disposition of public lands for recreational purposes. SEC. 7. The use of all water diverted for this project from the Colorado River system shall be subiect to mid controlled by the Colorado River compact, the Boulder Canyon Project Act (45 Stat. 1057; 43 TT.S.C. fi17t), and the Mexican Water Treaty (Treaty Series 994) (59 Stat. 1219). SEC. 8. There is hereby authorized to be appropriated for the coast ruction of the D'xie project, the sum of $42,700,000, plus or minus such amounts, if any, as may be justified by reason of ordinary fluctuations in construction costs as indicated by engineering cost indexes applicable to types of construction involved therein, and, in addition thereto, such sums as may be required to operate and maintain said project. Approved September 2, 1964.
849
Public recreation.
Appropriation.
Public Law 88-566 JOINT RESOLUTION 5,^,^^,^^ 2. 1964 To authorize the President to proclaim October 9 in each year as Leif Erikson [H. J. Res. 393] Day.
Resolved by the Senate and House of Representatives of the United States of America in Congress assembled. That the President of the United States is authorized to officially proclaim October 9 in each year as Leif Erikson Day. Approved September 2, 1964.
^^'^ Erikson
Day. Proclamation.
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