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[The following tables of data for projects on completion, coveringreservoirs, storage dams, diversion dams,

canals, tunnels, and irrigable area, are necessarily subject to some revision as the projects develop and more detailed plans are prepared. In so far as they refer to works yet to be built or areas not yet covered by canal, they are not to be taken as guaranteeing that such work will ever be done. All future work depends on appropriations therefor by Congress.]

Engineering data for projects when completed.

RESERVOIRS.

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Acres. Acre-feet. Feet. Feet. Sec. ft. Sec.-ft. Arizona: Salt River...... Roosevelt..

16,832 1,365,000

420 225 California: Orland........ East Park.

1,850 51,000

88

18,000 12,000 Colorado: Uncompahgre Taylor Park..

2,260 106,000

(1) (1) Valley. Idaho:

Deer Flat...

9,835 177,000 None.
Do..
Arrowrock..

280,000 402

15,000 Minidoka... Lake Walcott.

2,385

40,000

60,000 Do.. Jackson Lake.

160

13,000 Montana: Milk River St. Mary Lakes .....

500

3 500
Do..
Sherburne Lakes..

200

3 200
Do.

Nelson Reservoir.
Do...
Point of Rocks....

180

740
Do..
Beaver Creek.....

39

3 100 Sun River Willow Creek......

696

200 100 725
Do.
Sun River Storage.. 540

580 321 14,000
Do.
Pishkun Reservoir

45, 700 Under control.
Do..
Muddy Creek....

33,000

80
Do.
Benton Lake.....

144,000

Under control.
Nebraska - Wyoming: Pathfinder...

1,070, 000 605 184 40,000
North Platte.
Do....
Lake Allce......

900
11, 400

100 18 2,500
Do....
Lake Minatare...

67,000 100 Winters Creek Lake..

3,000

None. Nevada: Truckee-Carson: Lake Tahoe..

120,000 85
Do....
Alkali Flat.

88,000
Lahontan.....
290,000 500 112

30,000 New Mexico: Carlsbad.... Avalon..

6, 200

1, 026 21 86, 000Do.... McMillan ..

1,750 26.1-24.9 17,000 34,500 New Mexico-Texas: Rio Elephant Butt

2,638,000 275 193 8,000 16,000 Grande. Oregon: Umatilla.. Cold Springs .........

50,000 330 90 6,000 6,000 Oregon-California: Kla: Upper Klamath Lake

264,000

None. math, Clear Lake...

10,000

30,000 South Dak

Belle Fourche......... 8,010 203,000 314 100 2,000 2,000 Fourche. Do..... Nine Mile...

150 2,500 Utah: Strawberry Valley:

Strawberry
8,370 250,000

500
Washington:
Okanogan.
Salmon Lake....

3,200 None.
Conconully.....

13,000 Yakima... Bumping Lake.. 1,350 34,000 235

.000 Lake Clealum.

4, 680
501, 000

420
Lake Kachess...

4,800
250

200
Do...
Tieton (McAllister 1,800

350

19,000 Meadows). DO........... Lake Keechelus... 2.550

10,000 Do.... Clear Creek.....

126

210 Wyoming: Shoshone... Shoshone .....

6, 600

300 233 11,000 30,000 Do...... Ralston....

200
INDIAN PROJECTS.
Montana:
Blackfeet..
Two Medicine Lake 854 16,000

: 3 250 6,000
Do...
Spring Lake...
1, 400

30

900 Four Horns. 1, 867 60, 640

30 1,000 Guardipes... 1, 110 22, 600

30

840 Flathead.. Big Draw.... 901 9,330

200 500
Do.
Dog Leke...

160 3, 200
Do....
Dry Fork....
250 2,000 250

500 | 1,500 1 Undetermined.

3.500 acre-feet only available: above fixed crest of spillway
3 Average flow of stream on which reservoir is located.
4 No spillways: drainage limited; elevation is that of water surface.
5 Elevation above outlet.

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Feet.

280 Arizona: Salt River. Roosevelt 3.......... | Rubble masonry arch, grav

ity. California: Orland...! East Park 3.

Concrete arch, gravity....... Colorado: Uncom. Taylor Park..

Undetermined..
pahgre Valley.
DOISe.........

Upper Deer Flat. Earth fill...
Do.
Lower Deer Flat 3

....do...
Do..
Deer Flat Forest ..

.do.....
Do
Arrowrock 3..... Rubble concrete arch, gray-

ity. Minidoka..... Minidoka 3...

Rock fill, concrete core.....
Do......... Jackson Lake.... Massive concrete gate sec-

tion and earth fill.
Montana:
Milk River. St. Marys Lake.. Earth embankment....... 30
Do.....
Sherburne Lakes 5.

.do...
Do.
Nelson Reservoir 6.

...do..
Do...
Point of Rocks 3.

12.5
Do....
Beaver Creek.

.do.. Sun River.. Willow Creek?...... Earth fill.

110
Do...

Sun River Storage.... Masonry..
Do....
Pishkun....

Earth fill.
Muddy Creek..

.....do...
Benton Lake..

.....do.... Nobraska-Wyoming: Pathfinder 3..

Broken range masonry arch.
North Platte.
Do............

Pathfinder Dike 3.. Earth fill
Do.....
Dam No. 13..

....do...
Do....
Dam No. 113...

23
Do..
Minatare :....
....do....

65
1 No spillways; drainage limited; elevation is that of water surface.
2 Undertermined.
3 Completed.

Not designed.
• Under construction.
. Completed to height of 11 feet, with storage of 25,000 scre-feet.
1 Completed to height of 70 feet.

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Engineering data for projects when completed—Continued.

STORAGE DAMS—Continued.

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1 Completed. 2 Including spillway. 3 Including spillway, 611,000 cubic yards. * Under construction. • In process of being raised 21 feet. • First development, 16,000; completed for 4,000 acre-feet. ? First development, 64, 191; completed for 5,000 acre-feet. • First development, 153, 750; completed for 5,000 acre-feet when paved; now pavod for 3,009 agro-foot.

Engineering data for projects when completed—Continued.

DIVERSION DAMS.

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Feet.
Arizona: Salt River. Granite Reef1.... Rubble concrete weir........
Do..........
Power Canali.

..do......
Do....
Joint Head1..
Concrete weir..

10 . Arizona - California: Laguna ?..

Indian weir, concrete and Yuma.

rock fill. California: Orland.. South Canal1......... Concrete on piling, with rock Do............ North Side 1.......... Concrete weir, with remov

able timber crest.
Do.............. East Park Feed Concrete arch..............

Canal.1
Colorado:
Grand Valley.... Grand River Diver- Masonry ogee weir with roll-
sion.

er crest 10 to 15 feet high. Uncompah gre Gunnison 1........... Crib on rock fill and movaValley.

ble flash boards.
Do...

Montrose and Delta 1. Movable flash board weir...
Do
Loutsenhizerl..

Pile and timber weir....
Selig!..

Movable flash board weir..
Do.
Ironstonel..

Pile foundation with deck

and needle flash boards.
East Canal 1

Movable flashboard weir...
Garnet 1....

Rock basket and brush dam.
Idaho:
Boise...........
Boise River...

Rubble concrete weir.......
Minidoka..
Minidoka 1.

Combined diversion and

storage dam. (See Storage.)
Montana:
Milk River Swift Current 1. Earth and timber crib.

13
Do....
St. Maryl..
Concrete....

6.5
Do...
Chinook....
Reinforced concrete.

20
Do...
Dodson 5...
Timber crib, rock filled.

25
Vandalia 1..

Reinforced concrete.....
Sun River.
Sun River 1.

Concrete masonry...
Do....
Deep Creek...

Reinforced concrete.
Montana-North Da- | Lower Yellowstone 1... Rock-filled, timber weir...

kota: Lower Yel

lowstone.
Nebraska-Wyoming:
North Platte......
Whalen 1..

Concrete weir.
Nevada: Truckee- | Truckee River1.. 16 concrete sluiceways.....
Carson.

Carson River 1... 23 concrete sluiceways.......
New Mexico
Avalon l..

Combined storage and diverbad.

sion. (See Storage.) New Mexico-Texas: Leasburg!....

Rubble concrete weir....
Rio Grande
Mesilla 1
....do...

16.7
Do....
Mexican?..

Rubble masonry ....
Do...
Palomas..

Not designed..
Percha.

Rubble concrete...
Oregon: Un

Feed Canal (Echo)i. Concrete weir on timber crib.
Do............
Maxwell Canal 1

...do...... Do...

Three-Mile Falls 1. Concrete multiple arch :
Oregon - California: Lost River 1..

Hollow reinforced concrete..
Klamath.
South Dakota: Belle Diversion 1........... Concrete weir....

Fourche.
Utah: Strawberry Spanish Fork?........ .....do..........
Valley.

Indian Creek Crossing 1 Earth..
Do............

Horse Creek Crossing 1. .....do...
Diverting dam at .....do..

Strawberry dam.
Do.........

Diverting dam at .....do.

rating flume.
Washington:
Okanagon....... Salmon Creek 1.

Concrete weir....
Yakima....
Sunnyside 1..

Concrete ogee weir..
Do....

Tieton Diversion 1 Concrete and rock-filled crib.
Wyoming:Shoshone Corbett 1......... Reinforced-concrete weir....

1 Completed.
: Area formed by Laguna diversion dam, 6,400 acres.
3 Two weirs, one 6 feet by 72 feet, the other 6 feet 10 inches by 72 feet.
* Length, including logway.
6 Completed, except for installation of movable crest.
6 With 6 foot 3 inch and 4 foot 6 inch tainter gate movable crest.

7 Constructed by Mexican authorities and used jointly.
83290°-18- 32

Engineering data for projects when completed—Continued.

DIVERSION DAMS—Continued.

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Sec.-f

Miles, Arizona: Salt River..... Power 1.

225 Do.. Arizona 1

2,000 Do...... South 1..

1, 200 Do... Consolidated 1

1,000 Arizona-C

Main 1..

1, 700 Do.. West Main..

520 Do... East Main...

880 California: East Park Feed

250 Do....

North Main 1..
Do.............

South Main 1.
Colorado:
Grand Valley. Main 1

1,425
Uncompahgre.
South 1

1,300
Do....
West 1..

120
Do.

Montrose and Delta
Do.

Loutsenhizer 1... 125
Do.
Selig 1.

300
Do..
Ironstone 3.

350
Do.
East 1.

325
Do..

Garnet 1..
Idaho:
Boise.....

Main South 1..... 2,500
Do...
Moral.

915
Do.

Deer Flat, Low Linel
Minidoka.

North Side 1... 1,500
Do.
South Side 1..

1,000
Montana:
Huntley...

Main 1

Pumping High Linel 100
Milk River.
St. Mary i..

850
Do......
Dodson South 1...

900
Do.......

J Dodson North 1... i Completed.

2 Not yet designed.

232

: Undor construction.

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