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of navigation on the connected waterways of the lower Columbia, Willamette, and Snake Rivers; the provision of flood control in areas where great flood hazards now exist; and hydroelectric power installations with aggregate capacity of...
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irrigation development, these matters must receive continuing review by the Department and be subjects on which close collaboration between it and the War Department is maintained so that the immediate program will at all times be in the best...
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tion, with the approval of the Secretary of the Interior (hereinafter called the Secretary), may find proper for carrying out the projects to the end of providing water for the irrigation of approximately 357,000 acres of land in the areas...
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retary shall delegate to that agency the responsibility, under his supervision and direction, for keeping this basin account, and any reports as to the status of the account or as to the effect of projects proposed under recommendation No. 5 on...
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be incurred on authorized projects and to future revenues; and that he present to the Congress a financial report on these matters as to the close of each fifth fiscal year, beginning with the fiscal year 1953.
9. That, in the interests of...
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TABLE 1.—Annual costs and benefits (1946 prices)
Annual costs
Operation, maintenance and replacements:
Irrigation (including domestic water systems)
Navigation Flood control Allowance for amortization of all construction costs in...
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Excluding Woodside unit. 2 50-year repayment period. 3 77-year revenue period.
TABLE 4. Data on projects recommended for authorization
Irrigation Power Costs (1946 prices) Repayment
Balance 6
New land Supplemental Installed Total...
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APPENDIX 2
I. Prospective Power Sites, Columbia River
Basin. 2. Electric Power Requirements
for Irrigation Pumping on Potential Projects Columbia River Basin.
Prospective power sites 1—Columbia River Basin
Stream
Power site
Firm...
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Prospective power sites 1— Columbia River Basin—Continued
Stream
Power site
Firm capacity (kilowatts)
Annual firm output (million kilowatt-hours)
Oregon—Continued
Humbug Creek North Santiam 6,900 60
Upper Oak Grove Clackamas...
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Electric power requirements for irrigation pumping on potential projects--Columbia River basin
Pumping plant
Pumping plant or project
Location
Acreage served
Installed capacity (kilowatts)
Annual power requirements (1,000...
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Regional
Director s
Report
"The Columbia River Basin is the heartland of the Pacific Northwest. The lifeblood of the basin is its water resources . . .
"The report views the water resources of the Columbia River in their entirety and...
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Regional Director's Report
UNITED STATES
DEPARTMENT OF THE INTERIOR
BUREAU OF RECLAMATION
June 28, 1946.
To : The Commissioner, Bureau of Reclamation. From : Regional Director, Region I, Boise, Idaho. Subject : Columbia River...
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Reclamation for irrigation and power developments. A division of construction responsibility between the Bureau of Reclamation and the War Department with respect to multiple-purpose storage projects and power projects which is in line with...
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Basin is a region of great contrasts. Lofty mountains, studded with glaciers and shrouded in virgin forests, characterize some parts of the basin; in other vast areas, deserts supporting only drab sagebrush and a scanty growth of forage grasses...
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than any other river in the United States except the Mississippi.
24. The Snake River has its source at an elevation of nearly 10,000 feet in western Wyoming. It crosses southern Idaho from east to west and then turns northward cutting through...
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sustain yields, however, are rapidly gaining prevalence throughout the basin. In the van of sound forest management are operations on the nearly 50,000,000 acres of forest in Federal ownership.
32. Thirty-three metallic and nonmetallic...
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to the vast areas of mountain wilderness and sagebrush desert which are virtually uninhabited. Much the greater part of the basin has a sparse population; concentrations are limited to scattered areas. The average population density of 10 persons...
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of power by electro-metallurgical and electro-chemical industries, heavy residential use is indicated by the fact that 87 percent of all dwellings in the region had electric service in 1940. The Pacific Northwest thus ranks among the most widely...
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vide storage water for irrigation, improve navigation, and abate pollution.
57. Previous discussion will have made clear that continued economic growth of the Pacific Northwest, in the long run, will depend upon a continuing rational development...
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ington southward into Oregon. Lands to be irrigated within this block include the million-acre Columbia Basin project. The second largest. block occupies the central Snake River Valley in southwestern Idaho. Its development would close an 80-mile...
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70. It has been noted previously that somewhat more than 86 percent of the total construction costs of the comprehensive development are estimated to be reimbursable. Purposes served by features constructed with reimbursable funds include...
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benefits. The lower the rates under this measurement, the lower are the evaluated benefits. In contrast, as public-power policy recognizes, benefits actually realized increase as rates decrease to permit the maximum number of people to enjoy the...
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the lands in the vicinity of Twin Falls, Minidoka, and Gooding, Idaho, on the central part of the Snake River Plain. It is isolated by great expanses of sage-brush desert extending 50 miles to the nearest. large concentration of population in the...
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