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(The tabulation referred to is as follows:)
Data on storage dams constructed by Bureau of Reclamation
gravity. 1 Supplemental construction by Bureau. 2 Rehabilitated by Bureau.
Data on storage dams constructed by Bureau of Reclamation—Continued
Hydraulic sand and 197, 200
gravel fill, con-
Data on storage dums constructed by Bureau of Reclamation-Continued
Mr. BASHIORE. Included in this list of dams are the three highest dams in the world. Named in the order of their height, they are: Boulder, on the Colorado River, Ariz. Nev.; Grand Coulee, on the Columbia River, Wash.; and Shasta, on the Sacramento River in California.
You will observe that some of these dams were completed as far back as 1909 and 1910. They are all multiple-purpose dams. Even dams constructed in the early days for irrigation purposes alone do contribute to some extent in flattening flood peaks.
At a number of these dams power is generated, water is stored for irrigation, and a certain amount of space is allocated to flood control on which there must be no encroachment. It is entirely reasible to design, construct, and operate multiple-purpose dams; but rigid restrictions must be imposed to see that there is no encroachment on the purposes for which the dams are designed. All of the dams mentioned, with the exception of Marshall Ford on the lower Colorado River in Texas, are operated by the Government itself. Water is released from these reservoirs in accordance with the request of the State officials to supply senior appropriators who have made proof under State laws and in accordance with contracts with various irrigation districts and water users' associations. Releases for the generation of power are made during the nonirrigation season where not inconsistent with appropriative rights and contractual relationships. We have found this method of operation to be quite satisfactory to all parties concerned.
I believe that this practice is now proposed in H. R. 4485, and I think it is commendable.
I ask you, Mr. Chairman, to incorporate at this point, by reference, the remarks which I made before this subcommittee in connection with the Missouri River Basin matter, so that, for the convenience of those who will examine these hearings, there will be found at this point in the record a reference to the appropriate volume and page of the hearings on the rivers and harbors bill, H. R. 3961. I suggest at this point that there be included a reference to part 6, page 996, of the hearings held by this subcommittee on H. R. 3961.
Senator OVERTON. With respect to dams to be used for purposes of irrigation, the Secretary of the Interior appeared before the committee and made reference to section 6 of the pending bill, and he seemed to
be very well satisfied with that provision, suggesting some slight modification; and I rather gathered the impression that he thought that that was an answer to the irrigation problem.
Mr. BASHORE. I am not sure, Mr. Chairman, but I believe section 6 refers to the use of a dam or reservoir, for reclamation, that is operated under the direction of the Secretary of War.
Senator OVERTON. Section 6 says: Hereafter, whenever in the opinion of the Secretary of War and the Chief of Engineers any dam and reservoir project operated under the direction of the Secretary of War can be consistently used for reclamation of arid lands, it shall be the duty of the Secretary of the Interior to prescribe regulations under existing reclamation law for the use of the storage available for such purpose, and the operation of any such project shall be in accordance with such regulations. Such rates, as the Secretary of the Interior may deemed reasonable, shall be charged for the use of said storage; the moneys received to be deposited into the Treasury to the credit of miscellaneous receipts: Provided, That this section shall not apply to any dam or reservoir heretofore constructed which supplements any existing locally operated irrigation districts.
That is in respect to dams constructed by the War Department.
Mr. BASHORE. While not too objectionable I prefer the language suggested in the Secretary's report on the bill.
Senator OVERTON. I have no questions.
(Whereupon, at 12:10 p. m., the subcommittee recessed until tomorrow, Friday, June 9, 1944, at 10 a. m.)