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Oregon Digital
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plant of the Pacific Power & Light Co. on the main stream at Ariel, with an installed capacity of 45,000 kilowatts, and to one small plant on a tributary of East Fork of Lewis River, with a capacity of 80 kilowatts.
Flood control.—Floods of a...
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occur in the winter months, rise and subside quickly. with the result that the river is out of its banks for only a few days at most and frequently but a few hours. The record flood of December 1933 submerged about 7,500 acres in the Randle area,...
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tributaries from the Columbia River. Such improvements have been made by the War Department on the following streams: Young's River, Westport Slough, and Clatskanie River in Oregon : and Lake River, Grays River, Elokomin Slough, Skamokawa Creek,...
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Summary of potential developments—Continued.
RESERVOIRS
Acre-feet
Reservoir
Stream
Project served
Purpose 1
Live storage Total capacity
Authorized:
Dorena Row River Cottage Grove 70, 000 76, 000 I-F-P-N
Lookout Point Middle...
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ESTIMATED CONSTRUCTION COSTS
[Thousands of dollars] 1
Project
Irrigation
distribution
cost
Dam and reservoir
Name
Total cost
Cost
Cottage Grove 700 Dorena 23 300 4 000
Pleasant Hill 100 Lookout Point (2) 100
Lookout Point...
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Central
Snake
"In sharp contrast to the prime importance of the Snake River in the Upper Basin, the waters of that stream are virtually unused in the Central Basin at present. Here, irrigation and power development are based almost wholly on...
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Rondo.
WASHINGTON
Homestead
Salmon
GRANT
Cascade
McCall
V ALLE Y
C U S T E R
CAMAS
ELMORE
HARNEY
CENTRAL SNAKE
LOCATION MAP
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CHAPTER V
Central Snake GENERAL DESCRIPTION The central Snake Basin includes the drainage area tributary to the Snake River along somewhat more than 400 miles of its course below the upper Snake Basin. Unlike the latter, the central Basin... |
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CENTRAL SNAKE
farming. It is predominantly an area of unpeopled forests, few roads, imperfectly explored, relatively inaccessible mineral resources, and recreational facilities holding prospects of much fuller utilization.
The Blue Mountain...
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Climate
Climatic conditions in the Central Snake Basin are similar to those of the upper basin. The most significant difference is in the length of growing season, which is approximately a month longer in lower portions of the Snake Plain than...
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TEMP. PRECIP
CENTRAL SNAKE PRECIPITATION AND TEMPERATURE DATA
SELECTED STATIONS
DATA FROM: WEATHER BUREAU U.S. DEPARTMENT OF COMMERCE
ous tributaries here emptying into it, and by rather broad, flat-floored valleys of the tributaries. At...
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in lower elevations are farmed to some extent. Especially noteworthy examples are the Long Valley of the north fork of the Payette River, the Weiser River Valley, and the Lemhi and Pahsimeroi Valleys of the upper Salmon River basin. The Stanley...
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feet. Without irrigation, the run-off thus would total about 21,600,000 acre-feet, of which the amount consumed by irrigation is somewhat more than 10 percent. Further irrigation developments ill prospect will bring the consumptive use for this...
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and Weiser Rivers to the edge of the mountains. Lesser acreages are found along the streams of the other agricultural valleys of the area. These soils are brown to dark-brown in color, with lighter-colored subsoils. Although in most cases the...
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Weiser River, a fairly good run of steelhead has been reported in recent years. The Burnt River has been made of little value to salmon or steelhead by gold dredging and heavy diversions for irrigation.
The Salmon River is of great importance to...
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Urbanization has not progressed as far in this subdivision as in some other parts of the Columbia River Basin. A significant proportion of the total population in 1940, however, was classed as urban (36 percent). Boise, the capital of Idaho and...
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Image captions: Potato field and house on first-year farm, near Vale, Oreg., Vale project.
Harvesting potatoes, near Boise, Idaho, Boise project.
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KEY MAP
IRRIGATED AREAS NON-IRRIGATED AREAS
ADAPTED FROM MAPS BY BUREAU OF AGRICULTURAL ECONOMICS, U.S. DEPARTMENT OF AGRICULTURE
CENTRAL SNAKE
CROP LAND
The differing physical conditions of the three principal parts of the basin have...
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Crops which were not fed to stock, but were sold or traded, had a value in 1939 of $11,902,000. Field crops, particularly potatoes, sugar beets, and specialized seed crops, accounted for the major share (S8,960,000) of this total, although the...
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Image captions: Carrot seed, near Nyssa, Oreg., Owyhee project.
3-year-old peach orchard west of Boise, Idaho, Boise project.
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velopment attendant upon the extension of irrigation by means outlined subsequently. As required and justified, the irrigated acreage can be ultimately extended to more than twice its present size, expanding tremendously the economy of the whole...
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KEY MAP
LEGEND • Sawmill
CENTRAL SNAKE PRIMARY FOREST INDUSTRIES
SOURCE: FOREST SERVICE,
U.S. DEPARTMENT OF AGRICULTURE
in 1939 and $13,260,000 in 1943. Large mills with daily capacities of from 75,000 to 300,000 board feet are located...
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mines, from the standpoint of numbers of persons employed, and the principal minerals produced from them are indicated on the accompanying map.
The need for strategic minerals in the war effort stimulated production of mercury in Valley and...
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