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Mland

IMPERIAL
Iris

COUNTY
Date City

Mammoth
Calipatria

Zine

COUNTY

kwood

Superstiti
Mountain

WEST

R"ling

IMPERIAL

MESA

TE VALLEY

Holtuin. EASTI

SAN DIEGO

Imperial
Seeley El Centro

Heber

Durieland
Pocoyote well

17
UNITED STATES

MEXICO

Signal

Mtn.

Mericah

rachar

Sabari boopah

Passdalito
Hemen

CALUKO Parador

LAGUNA

Cocopah

LOWER
CALIFORNIA

ity in

SALADA

Mountains

IRRIGABLE AREAS BELOW LAGUNA DAM
Index No.

Gross' Irrigable Areas

Areas Gravity Pumping Total
IN UNITED STATES Acres Acres Acres Acres
Salton Sea

179,000
a and b: Yuma Project. 170,000 69,000 61,000 130,000
Under present Canal
1: Imperial Irrigation District... 604,000 515,000 515,000
Proposed extensions.
3: Eas! Mosa

165,000 124,000

124,000
4: East Mesa.

42,000

36,000 36,000
5: Dos Palmas.

81,000 50,000

50,000
6: Coachella

121,000 72,000

72,000
7: West Side

95,000 10,000

10,000
8: West Mesa

27.000 23,000

23.000
Total in United States 1,305,000 818,000 97,000 915,000

IN MEXICO
2: Under present Imperial Canal... 370,000 275,000 275,000
Under All American
9: Mexican Gravity

32,000 22,000 22,000
10: Mexican Pumping,

11,000

8,000 8,000
11: Lower California Delta $10,000 250,000 250,000
12-13: Sonora.....

550.000 210.000 55,000 265.000
Total in Mexico.

0.473,000 757,000 63,000 820,000
Grand Total

2,778,000 1,573,000 160,000 (735,000

116°

72578—26.

(Face p. 884.)

No. 2.

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Mr. MAXWELL. Yes.
Senator ASHURST. Yes; he is an engineer.

The CHAIRMAN. Very well, the report may be included at this point.

(The report referred to is made part of the .record, as follows:)

COLORADO RIVER PROJECT

Estimated cost, storage and diversion dams, and the Arizona-California all gravity canal from Bridge Canyon dam, by the River route, along south bank of Colorado River, across Grapevine and Hualpai Washes, past Squaw Peak, across Detrital Wash, through Black Mountain Pass east of Eldorado Ferry, along the valley west of Black Mountain to Yucca, thence through and across Sacramento Valley to the Arizona-California forks of canal at the Needles Mountains near Topock, Ariz. :

Canal and tunnel capacities, 22,000 second-feet.
Grades : Tunnels, 112 feet; canals, to to % feet per mile.

Estimated Cost

For Glen Canyon storage dam, with capacity of 40,000,000 acre-feet, complete

$50, 000, 000 For Bridge Canyon dam and head-gate system, constructed to give

maximum elevation of water surface at dam of 2,040 feet plus a draw-down of 50 feet, all complete_

60, 000, 000 For canal system (193 miles), Bridge Canyon dam by the river

route to the Arizona-California “fork" at Needles Mountains, near Topock, Ariz., consisting of 29 miles of twin tunnels, 98 miles of canal in rock (lined), 68 miles of canal in earth (lined), and with bridges, drainage, engineering and contingent costs_-- 137,000,000

Total.

247, 000, 000 Estimated cost, storage and diversion dams and the Arizona-California allgravity canal, by the Bridge Canyon dam to Yucca, 72-mile tunnel route, thence through and across Sacramento Valley to the Arizona-California forks of canal at the Needles Mountains, near Topock, Ariz.

Canal and tunnel capacities, 22,000 second-feet.
Grades: Tunnels, 114 feet, and canals it to feet per mile.

Estimated cost

For the Glen Canyon storage dam and the Bridge Canyon diversion dam and head-gate system, complete---

$110, 000, 000 For canal system (106 miles), Bridge Canyon dam, by the tun

nel route, to the Arizona-California “ forks " at Needles Mountains, near Topock, Ariz., consisting of 72 miles twin tunnels, complete, and 34 miles of cement-lined canal in earth and rock.

154, 000, 000

Total cost-

264, 000, 000 Estimated cost of an all-Arizona transmission canal from the "forks” of the Arizona-California all-gravity canal at Needles Mountains, via Signal, Santa Mari River, Butler Valley, Harquahala Pass to Lone Mountain Pass, and from Harquahala Pass through Harquahala Plain, through Big Horn-Hassayampa Plain, North of White Tank Mountain, across Aqua Fria and New Rivers, along north side of Paradise Valley to Granite Reef, across Salt River by bedrock siphon, southerly to the east of Gilbert, Higley, and Magma stations to Gila River below Florence; thence southwest to a point about 3 miles south of Casa Grande ; thence westerly to a point 8 miles southwest of Maricopa. Estimated cost of this main canal from Needles Mountains by

the route above described, a distance of 415 miles (of unlined canal), including all river crossings, roads, bridges, drainage, engineering, overhead and contingent costs_-

$75, 000, 000

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