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COLLECTIONS.

The two tables below give information as to collections that have been made under the reclamation operations. Table 22 gives an analysis of the sources of all cash collections to June 30, 1918, while Table 23 gives, by projects, the amount collected for water-right charges.

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TABLE 23.—Collections of water-right charges by projects to June 30, 1918.

Construction charges.

Operation and mainte

nance.

Total.

State and project.

Fiscal year To June 30, Fiscal year To June 30, Fiscal year To June 30, 1918. 1918. 1918. 1 1918.

1918.

1918.

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Arizona: Salt River.........

$132, 135.51 $232, 135.51 $22, 174.89 $22, 174.89 $154,310.40 $254, 310.40 Arizona-California: Yuma... 20, 301.30 296,914. 22 28, 748.83 107,963. 23 49,050.13 404, 877. 45 California: Orland......

21, 312.06 39,099.72 25,077.83 25,077.83 46,389.89 64, 177.55 Idaho: Boise........... 201,011. 81 201,011.81

201,011.81 201,011.81 Minidoka...

285,068.75 786, 480.96 192, 417.80 576, 602.91 477, 486.55 1,363,083.87 Kansas: Garden

142.50
104.50

247.00 Montana : Huntley .............

9,801.75 290, 616.33 26, 168.54 162,395.79 25,970. 29 453,012. 12 Sun River...

26.715. 08 142, 671.56 11,360.32 61,065. 29 38,075.40 203, 736.85 Montana-North Dakota: Lower Yellowstone..... 5,875.48 41,781.75 93.44 j 36,895. 25

5,968. 92

78,677.00 Nebrasla - Wyoming: North Platte....................

9.703. 85 656, 342. 42 | 117,256.87 | 551, 675.96 276,960.72 1,208,018. 38 Nevada: Truckee-Carson.... 27, 102.19 341,926. 53 50,011.42 284, 376.67 77, 113.61 626, 303. 20 New Mexico: Carlsbad

25, 606. 84 185, 911. 67 38, 296.26 200,051.64 63,903.10 385, 963.31 North Dakota: North Dakota Pumping...................

609. 15 9,704.97 45.41 13, 352.56 654.56 23,057.53 Oregon: Umatilla..

21, 101.82 246, 469. 76 19, 163.55 110,500.79 40,265.37 356, 970.55 Oregon-California: Klamath... 644.16 345, 816. 87 30, 379.74 193, 663.62 69,023.90 539, 480.49 South Dakota: Belle Fourche. 49, 145.71 260, 664.15 65,385.80 239, 365.58 114,531.51 500,029.73 Utah: Strawberry Valley.....

34, 470.06 82,829.38 17, 605. 24 36,681.81 52, 075.30 119, 511.19 Washington: Okanogan.....

7,628. 19 32,310.38 9,390. 47 46,483.91 | 17,018. 66 78,794.29 Yakima, storage.... 112, 665. 35 413, 355. 35 21, 542.03 21, 692.03 134,207.38 435,047.38 Yakima, Sunnyside. 64,891. 71 796, 808. 23 100,611.53 721, 837.72 165, 503. 24 1,518,645.95 Yakima, Tieton.

58, 421.93 382, 218.37 46,639.26 231, 666.32 105, 061.19 1613,884. 69 Wyoming: Shoshone... 60, 931.94 364,657.11 28,921.03 181, 305. 76 89,852.97 545, 962. 87

Total.................... 1,353,144.64 6,149,869.55 851,290.26 3,824,934.06 2,204,434.90 9, 974,803. 61

38,61

TABLE 23.—Collections of water-right charges by projects to June 30, 1918Continued.

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Arizona: Salt River...
Arizona-California: Yuma.
California: Orland..
Idaho:

Boise.....

Minidoka.. Kansas: Garden Ci Montana:

Huntley..........

Sun River...... Montana - North Dakota:

Lower Yellowstone......
Nebraska-Wyoming: North

Platte...
Nevada: Truckee-Carson....
New Mexico: Carlsbad.
North Dakota: North Da-

kota Pumping.............
Oregon: Umatilla.......
Oregon-California: Klamath.
South Dakota: Belle Fourche
Utah: Strawberry Valley....
Washington:

Okanogan.....
Yakima, storage..
Yakima, Sunnyside...

Yakima, Tieton.
Wyoming: Shoshone..

Total......

I Deduct.

RIO GRANDE DAM APPROPRIATION. The three tables that follow give for the Rio Grande Dam appropriation information similar to that appearing in Tables 13 to 16, inclusive, with corresponding titles for the reclamation fund: TABLE 24.—Special appropriation for Rio Grande (Elephant Butte) Dam (34 Stat.,

1357) to June 30, 1918.

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TABLE 25.-Balances of appropriations for Rio Grande (Elephant Butte) Dam with

Treasurer of the United States, June 30, 1907, to June 30, 1918.

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TABLE 26.—Disbursement and collection vouchers, appropriation for Rio Grande (Ele

phant Butte) Dam, paid and collected to June 30, 1918.

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Balance from Twelfth Annual Report.......
June 30, 1915..

Total...........................

$998, 590.78

1,501.00 1,000,091. 78

2,896

91.78 i William S. Cone and Walter Ward, project managers to November 1, 1917, when project was turned over to the water users.

DISCUSSION OF PROJECTS.

PRIMARY PROJECTS.

(For detailed tables on cement, unit bids and contract prices, engineering data for projects on completion, summary of results to June 30, 1918, crops, finances, etc., see appendix.)

ARIZONA, SALT RIVER PROJECT.

(Project turned over to water users on Nov. 1, 1917.) W. R. Elliott, Salt River Valley Water Users' Association, project manager,

Phoenix, Ariz."

LOCATION. Counties: Maricopa and Gila.

Townships: 2 s. to 3 N., Rs. 1 to 6 E. and 1 W., and Tps. 3 to 5 N., Rs. 11 to 14 E., Gila and Salt River base and meridian.

Railroads: Santa Fe, Prescott & Phoenix; Arizona Eastern. Railroad stations and other towns, showing estimated population June 30, 1918; Phoenix, 25,000; Mesa, 3,000; Glendale, 1,200; Tempe, 2,000; Chandler, 600; Peoria, 300; Gilbert, 50; Scottsdale, 50; Higley, Lehi, Tolleson, Alhambra, Cashion, and Laveen, each about 25.

WATER SUPPLY. Source of water supply: Salt and Verde Rivers and wells in various parts of the valley.

Area of drainage basins at Granite Reef Dam: Salt River, 6,250 square miles; Verde River, 6,000 square miles.

Annual run-off in acre-feet: Salt River at Roosevelt (5,760 square miles), 1889 to 1916, maximum 3,226,000, minimum 153,394, mean 865,853; Verde River at McDowell (6,000 square miles), 1889 to 1916, maximum 1,822,000, minimum 116,679, mean 560,560.

AGRICULTURAL AND CLIMATIC CONDITIONS.

Area for which works are prepared to supply water, season of 1918: 192,077 acres, entitled to permanent water, including private, homestead, and school lands, and townsites; and 20,889 acres entitled to temporary water service.

Area under rental contracts, season of 1918: 201,601 acres (on October 31, 1917). Length of irrigating season: 365 days, October 1 to September 30.

Rainfall on irrigable area: 33-year period, average, approximately 8 inches. Calendar year 1917, 10 months, 9.6 inches.

Average elevation of irrigable area: 1, 200 feet above sea level.
Range of temperature on irrigable area: 22° to 117° F.
Character of soil of irrigable area: Sandy loam, with clay in places.

Principal products: Alfalfa, grain, cotton, olives, citrus and deciduous fruits, and live stock.

Principal markets: Phoenix and other Arizona towns, Pacific coast cities, and eastern markets.

LANDS OPENED FOR IRRIGATION. Public notices. January 18, May 19, 1917, August 8, 1917.

CHRONOLOGICAL SUMMARY.

Reconnoissance made and preliminary surveys begun: 1902. Construction recommended by the director: March 7, 1903. Construction conditionally authorized by the Secretary: March 14, 1903. Grand, Water Power, Salt River Valley, Maricopa, and Joint Head Canals purchased: June 15, 1906.

Intake Dam for Power Canal completed: October, 1906.
Power Canal completed: October, 1906.
Irrigation by the Reclamation Service begun: May 15, 1907.
Granite Reef Dam completed: August, 1908.
South Canal completed: June, 1909.
Eastern Canal completed: December, 1909.
Roosevelt Dam completed: February 5, 1911; formal dedication, March 18,1911.
San Francisco pumping plant completed: October, 1911.
South-Consolidated power plant, operation commenced: October 23, 1912.
Arizona Falls power plant, operation commenced: May, 1913.
Western Canal completed and operation commenced: February 16, 1913.
Mesa District pumping plants (Batteries A, B, C, D, E, F), drilling commenced:
December, 1908; final installation completed, June, 1913.

Highline pumping plant put in operation: June, 1913.
Highline Canal completed and operation commenced: June 16, 1913.
Raising of spillways, Roosevelt Dam, completed: August, 1913.
Joint Head Dam completed: March, 1914.
Reconstruction of the Arizona Canal completed: February, 1915.
McQueen pumping plant completed: March, 1915.
Farm unit survey completed: April, 1915.
Water over spillways of Roosevelt Reservoir: April 14, 1915; January-May, 1916.
Survey for silt deposit in Roosevelt Reservoir: June, 1915.
South Side Canal system completed: June, 1915.
Installation of sixth unit, Roosevelt power plant, completed: November, 1915.
Cross Cut power plant completed: December, 1915.
Project turned over to water users: November 1, 1917.
Project 100 per cent completed: June 30, 1918.

IRRIGATION PLAN. The irrigation plan of the Salt River project provides for the storage of water in the reservoir created by the building of the Roosevelt Dam, which is situated at the confluence of Tonto Creek and Salt River, about 70 miles northeast of Phoenix, Ariz. This stored water is carried down Salt River to a point about 4 miles below the mouth of the Verde River, where, together with such water as may be discharged by the Verde, it is diverted to the North and South side canal systems by the Granite Reef Diversion Dam. The water supply for the canals on the north side of the river is further augmented by the water diverted by the Joint Head Diversion Dam.

There have been completed and put into operation nine pumping plants with an approximate capacity each of 10 second-feet. A pumping plant located at the junction of the Western Canal and the Kyrene branch pumps water through a 54-inch pressure pipe 5,930 feet long to an elevation of 40 feet and waters approximately 7,500 acres of land. The United States claims all waste, seepage, unappropriated springs, and percolating water arising within the project, and proposes to use such water in connection therewith.

The canal and lateral system at present comprises 815.5 miles, and on completion of the project provides for the delivery of water to each 160-acre tract of irrigable land.

A power plant located at Roosevelt generates power from stored water in the reservoir and from water delivered from the Power Canal, heading at a diversion dam in Salt River, 19 miles above the storage dam. Three other power plants have been constructed by the water users' association and have become a part of the project, viz, the SouthConsolidated, the Arizona Falls, and the Cross Cut. A portion of the power developed will be used for pumping water for irrigation and the remainder for industrial purposes.

The principal features are the Intake Dam and Power Canal, the Roosevelt Dam, Granite Reef Dam, Joint Head Dam, the main canals of the distributing system and the greater part of the lateral system, and the power system, comprising four power plants, transformer house, transmission lines, switching station, and four substations. Some work remains to be done on the sluicing tunnel through the Roosevelt Dam, and rather extensive repairs and now needed on the Intake Dam and Granite Reef Dam.

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