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SCALE OF EMPLOYEE S CENTRAL WASHINGTON PRINCIPAL MINES BY NUMBER OF EMPLOYEES 1940 metropolitan centers of the Pacific Northwest. Pasco, Wash., at the extreme southern margin is the present head of navigation on the Columbia River. From...

Photo shows Kettle Falls, on the Columbia River, which are now obliterated by the backwater from Grand Coulee Dam
1935-09-18
1 map: blueprint, hand col., 39 x 48 cm. Map shows location of northeastern Washington Territory, with the Colville region outlined in red. It also shows a large portion of northern Idaho territory, established in 1863. Major landforms such as the...


Frederick William Cleator was a forester and conservationist. The collection includes diaries, correspondence, notes, documents, and photographs relating to Cleator's interest in the recreational aspects of national forests and the establishment...

Collection consists of 196 slides depicting irrigation, schools and towns in the Columbia Basin area, documenting the growth of the school districts in conjunction with irrigation, c. 1952 - 1958.; Old lists of labeled slides, organization of the...

Image caption [page 26]:Engineer inspects a turbine shaft at Grand Coulee Dam.

One means of facilitating such development was through the allocation of power profits for assistance to irrigation. The effect of the mechanism, known as a basin account, would be to pool all the costs and benefits of federal projects...

construction of works to control floods not only prevents losses which would otherwise be sustained, but in many instances converts a liability into an asset. Floods in the Columbia River system do not present the frequently recurring menace...

Photo shows Kettle Falls, on the Columbia River, which are now obliterated by the backwater from Grand Coulee Dam
1935-09-18
Winterset
2024-11-21
2024-11-21
The worst single cause of fatals.

2024-11-21
Photo shows Kettle Falls, on the Columbia River, which are now obliterated by the backwater from Grand Coulee Dam
1935-09-18
1 map ; negative : 32 x 27 cm. This was a preliminary map showing one particular plan for the irrigation of the Columbia Basin. As noted in the title, this map represented the pumping plan, whereby a dam would be constructed at Grand Coulee and...
2024-11-21

Document: "Secretary Udall Moves," America, Febuary 13, 1965, page 2
1965-02-13

Seven (7) black-and-white U.S. Bureau of Reclamation photographs relating to the Klamath Falls project of Oregon and California, circa 1946-1949. Captions accompany the photographs.; Seven (7) black-and-white U.S. Bureau of Reclamation...

Department of the Interior Bureau of Reclamation Columbia Basin Project-Washington.
1937-08-16
2024-11-21
the Columbia Gorge. The conservation clause, which all BPA contracts since 1939 have contained, stipulates that: "Power generated at the Bonneville Project Power Plant shall not be available to purchasers whose plants or operations, in the...

Image caption [page 24]: Pouring concrete at Grand Coulee Dam.

cur in the river below if the reservoir is drawn down to a low level during kite summer. Many more data must be obtained on the tolerance of anadromous fish to higher temperatures. The proposed operating schedule of all future reservoirs,...

National Environmental Policy Act process concerning operation of the mainstem dams. To provide non-federal parties with assurance that the Corps' studies overlooked nothing important, the Council chartered a drawdown committee with...

Photo shows Kettle Falls, on the Columbia River, which are now obliterated by the backwater from Grand Coulee Dam
1935-09-18
2101 - 2123 of 2123 Items    << < 80 81 82 83 84 85 

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