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Reservoirs as outlined above and agreed upon in the joint engineering report will provide the desired degree of flood control, supply the needs of irrigation as well as furnish cyclic storage for navigation during prolonged drought periods. The plan also utilizes practically all of the available power head in the Missouri River between the mouth of the Yellowstone River and the Gavins Point Dam.

MINOR WESTERN TRIBUTARIES

13. The plan of development presented in House Document 475, Seventy-eighth Congress, second session, does not specifically designate any units in the minor western tributaries subdivision, although provisions are made for desirable and necessary projects in this area. The plan presented in Senate Document 191, Seventy-eighth Congress, second session, provides for the construction of 15 reservoirs with a total storage capacity of 1,237,000 acre-feet, the reservoirs to be operated for flood control, silt control, the development of hydroelectric power, the irrigation of 212,980 acres of new lands, and the provision of a supplemental water supply for 11,300 acres of land now being served with an inadequate water supply. There is no conflict in the proposed plans of the two agencies for the minor western tributaries subdivision.

NIOBRARA, PLATTE, AND KANSAS RIVERS

14. The plan of development presented in House Document 475, Seventy-eighth Congress, second session, contemplates the construction of 9 reservoirs (of which 4 have been previously authorized) for flood control, irrigation, and other purposes. The lands to be irrigated were not specified in the report and were to be determined by later detailed investigation. The plan presented in Senate Document 191, Seventy-eighth Congress, second session, contemplates the construction of 22 reservoirs on various streams in the Niobrara, Platte, and Kansas Rivers subdivision with a total storage capacity of 5,650,400 acre-feet; the reservoirs to be operated for flood control, silt control, the irrigation of 1,284,060 acres of new land, and the provision of a supplemental water supply to 21,804 acres of land now being served with an inadequate water supply. The following substitutions were found to be desirable in the Kansas River Basin:

(a) On the south fork of the Republican River, the Bonny Reservoir, in Senate Document 191, was substituted for the Hale Reservoir in House Document 475 to permit the irrigation of approximately 6,500 acres of additional lands. The two reservoir sites are located within 4 miles of each other and for all practicable purposes would provide a comparable degree of flood control.

(b) On the Arikeree River the Pioneer Reservoir, in Senate Document 191, was substituted for the Beecher Island Reservoir in House Document 475 inasmuch as the Pioneer Reservoir controlled a larger drainage area, therefore was more advantageous for flood control, and reconnaissance studies by the Bureau of Reclamation indicated that there were no lands suitable for irrigation between the two sites. (c) On Frenchman Creek the Enders Reservoir in House Document 475, was substituted for the Harvey Reservoir in Senate Document 191, because the Enders Reservoir could be built to a greater capacity

than the Harvey Reservoir, and would furnish additional flood protection for the Frenchman Creek Valley in Nebraska. Both sites are suitably located to serve all potential irrigation developments.

LOWER MISSOURI BASIN

15. The plan of development as presented in House Document 475 and Senate Document 191 for this subdivision are identical, therefore no conflict in the engineering features of the two plans exist. The plans include seven reservoirs and a series of levees and appurtenant works along both sides of the Missouri River from the vicinity of Sioux City, Iowa, to the vicinity of the mouth of the Missouri River. 16. Development of the Missouri River Basin in accordance with House Document 475, Seventy-eighth Congress, second session, and Senate Document 191, Seventy-eighth Congress, second session, as coordinated in the enclosed joint engineering report, if authorized as a unified plan, will secure the maximum benefits for flood control, irrigation, navigation, power, domestic and sanitary purposes, wildlife, and recreation. Precise elevations and heights of reservoirs and dams, and final determinations of the power installations required, can be agreed upon after more detailed plans and cost estimates have been obtained and compared with benefits, and after consideration has been given to the desires and objections of persons affected by the proposed developments.

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WAR DEPARTMENT,

OFFICE OF THE DIVISION ENGINEER,

MISSOURI RIVER DIVISION,

Omaha, Nebr., October 17, 1944.

Subject: Joint report of representatives of Bureau of Reclamation and Corps of Engineers on plans for development of the Missouri River Basin. To: The Chief of Engineers, United States Army, Washington, D. C., and the Commissioner, Bureau of Reclamation, Department of the Interior, Washington, D. C.

1. In accordance with instructions contained in letter of October 10, 1944, from the Commissioner of Reclamation to Mr. W. G. Sloan, assistant regional director, Bureau of Reclamation, Billings, Mont., and Mr. John Riter, acting director, Branch of Project Planning, Bureau of Reclamation, Denver, Colo., and letter of same date from the Chief of Engineers to the division engineer, Missouri River division, a conference was held in Omaha, Nebr., on October 16-17, 1944, as a result of which the following joint report is submitted.

2. For purposes of discussion, the basin was divided into the following six subdivisions contained in the report of the Bureau of

Reclamation, Senate Document No. 191, Seventy-eighth Congress, second session:

(a) Upper Missouri River Basin.

(b) Yellowstone River Basin.

(c) Missouri River-Fort Peck to Sioux City.
(d) Minor western tributaries.

(e) Niobrara, Platte, and Kansas Rivers.

(f) Lower Missouri Basin.

3. It was agreed that there were no points of conflict in the engineering features of the two plans in the following subdivisions:

(a) Upper Missouri River Basin.
(b) Minor western tributaries.
(c) Lower Missouri Basin.

4. It was agreed that the Yellowstone River Basin be developed in accordance with the plans set forth in Senate Document No. 191, Seventy-eighth Congress, second session. With regard to the other two subdivisions all of the engineering features of both plans were agreed upon with the following modifications:

(a) Missouri River: Fort Peck to Sioux City.

(1) The Gavins Point Reservoir and the Garrison Reservoir to be developed in accordance with House Document No. 475 Seventyeighth Congress, second session.

(2) The Fort Randall Reservoir, the Big Bend Reservoir, and the Oahe Reservoir to be developed in accordance with Senate Document No. 191, Seventy-eighth Congress, second session.

(3) The Oak Creek Reservoir, as proposed in House Document No. 475, Seventy-eighth Congress, second session, to be eliminated.

(b) Niobrara, Platte, and Kansas Rivers: It was agreed to substitute the Bonny and Pioneer Reservoirs, as proposed in Senate Document No. 191, Seventy-eighth Congress, second session, for the Hale and Beecher Island Reservoirs as proposed in House Document No. 475, Seventy-eighth Congress, second session, and to substitute the Enders Reservoir as proposed in House Document No. 475, Seventy-eighth Congress, second session, for the Harvey Reservoir as proposed in Senate Document No. 191, Seventy-eighth Congress, second session.

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Denver, Colo.

Acting Director, Branch of Project Planning,

Bureau of Reclamation,

O

WATER SUPPLY OF SAN DIEGO COUNTY, CALIF.

COMMUNICATION

FROM

THE PRESIDENT OF THE UNITED STATES

TRANSMITTING A REPORT RELATIVE TO AN IMPENDING EMERGENCY IN THE WATER SUPPLY OF SAN DIEGO COUNTY, CALIF., OWING TO THE VERY LARGE NAVAL, OTHER MILITARY, WAR INDUSTRIAL, AND WAR HOUSING INSTALLATIONS IN THE AREA

DECEMBER 4 (legislative day, NOVEMBER 21), 1944.-Read; referred to the Committee on Irrigation and Reclamation, and ordered to be printed

THE WHITE HOUSE, Washington 25, D. C., November 29, 1944.

Hon. HENRY A. WALLACE,

President of the Senate.

MY DEAR MR. VICE PRESIDENT: An impending emergency in the water supply of San Diego County, Calif., has been called to my attention. Owing to the very large naval, other military, war industrial, and war-housing installations in the area, the situation is of emergency importance to the Federal Government.

At my direction, an interdepartmental committee, on which the San Diego County Water Authority also had membership, reviewed the problem, and has reported to me. The War Department, the Navy Department, the Department of the Interior, and the Federal Works Agency were represented on the committee. Engineering investigations and surveys were begun in 1943 by the Bureau of Reclamation, Department of the Interior, working in cooperation with the city of San Diego, the county of San Diego, and the Federal Works Agency. Fortunately, these studies had proceeded to points. at which decisions could be safely made.

I am attaching a copy of the report of the committee, which has been reviewed by the Secretary of the Interior and which I approve. In accordance with the recommendations of the committee, joined in by the Secretary of the Interior, I have instructed that the emergency be met in keeping with the report.

The Bureau of Reclamation has been directed to complete the plans and specifications for the construction of the aqueduct from San Jacinto, Calif., to the San Vicente Reservoir, and the Army, Navy, and Federal Works Agency have been directed to cooperate with the Bureau to that end. The Bureau of Yards and Docks, Navy Department, has been instructed to construct the emergency water connection, with the other agencies cooperating. After the war emergency, the Bureau of Reclamation, which will continue its existing relationships with the local interests, will be in a position to assume charge of the aqueduct, and, when suitable arrangements with the local interests have been completed, to build the permanent additional works. I have asked the San Diego County Water Authority, and the city of San Diego, to press negotiations with the Metropolitan Water District of Southern California in order that an equitable arrangement may be completed for the permanent operation of the works, which will have continued value and utility.

While the emergency demanded the actions that have been taken, the Congress in the future may have submitted to it recommendations for additional work under the reclamation laws in connection with this project, and I am, therefore, submitting to you now this explanation and report.

Sincerely yours,

The PRESIDENT,

The White House.

FRANKLIN D. ROOSEVELT.

DEPARTMENT OF THE INTERIOR,
BUREAU OF RECLAMATION,
Washington, October 21, 1944.

(Through the Secretary of the Interior.)

MY DEAR MR. PRESIDENT: In behalf of your committee, and in response to the assignment made in your letter of October 3, 1944, to me, I submit the attached report on the San Diego, Calif., area water-supply problem. The report finds that an emergency impends in San Diego and already exists in the Santa Margarita section. The report also makes recommendations in accordance with the assignment given.

Sincerely yours,

WILLIAM E. WARNE,

Assistant Commissioner and Chairman of the Committee.

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