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2351 - 2375 of 5942 Items << < 90 91 92 93 94 95 96 97 98 99 > >>
2351 - 2375 of 5942 Items << < 90 91 92 93 94 95 96 97 98 99 > >>
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A black and white image of a concrete fish wheel along the banks of the Columbia River. A pile of rocks partially covered by the water is visible in the foreground and the rocky shore of the opposite riverbank is visible.
2004-03-24
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Source PI-21, 25, 50
Tentative Disposition
F
WI-32 SI-33
PI-50, 86, 99, 112
SI-65
F F
Problem or Area of Concern
7. The study must be international in character. Under the terms of the 1961 Columbia River Treaty, signed in 1961...
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Source F-19, 20
Tentative Disposition
SI-32, 35, 60, 70 A PI-50
F-19
0-4
E
Problem or Area of Concern
10. Boaters complain of the hazardous boating conditions in Lake Roosevelt due to the large accumulation of floating wood debris...
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Tunnels from collecting pool into brail at east trap at the Rock Island Dam
1938-11-30
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Problem or Area of Concern Source SI-71 F
F-7 F
PI-62 F
Tentative Disposition
l.(Cont) COMMENT: A national dredge spoil research program was established by Congress in 1971 and is administered by the Corps of Engineers. Also, the Corps is...
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Problem or Area of Concern
Source
Tentative Disposition
WI-2, 20 A F-7
l.(Cont) currents into the lock approaches. Snake River traffic is restricted by the railroad bridge in the Wallula area. Other adverse conditions exist at McNary,...
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Fish ladder and collecting pool, left trap, at the Rock Island Dam
1938-11-30
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Source
F-7 F-5
Tentative Disposition
A
Problem or Area of Concern C. Updated Hydro-Thermal Power Program
1. Studies are needed to review the Columbia River hydroelectric system to determine the potential for meeting the energy need...
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Rock Island dam and central spillway and fish ladder
1938-11-30
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Elevator down on the left trap at Rock Island Dam during the summer
1938-11-30
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Agricultural practice: any activity pertaining to the sustained agricultural use of the land. This includes, but is not limited to, the cultivation of row crops, orchards, vineyards, livestock grazing. It does not include livestock feedlots....
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Land Acquisition Direction
Service. Of the 114,673 acres, some 70,000 acres are in other than federal ownership. Privately owned lands account for approximately 51,000 acres.
"... to protect and provide for the enhancement of the scenic,...
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Lampreys are using a temporary fish ladder while the dam is under construction
1937-07-02
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Master scanned with Epson 1640XL at 800 dpi. Image manipulated with Adobe Photoshop 7.0.
1935-09-18
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1. The Indians at Celilo Falls catch an average of over 2,600,000 pounds of fish each year, in dip nets in a manner very much the same as used by their ancestors. 2. The bulk of the fish caught at Celilo Falls is from the upriver fall run of...
1951-11 (iso8601)
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From mid-May to August 2011, extreme runoff in the Columbia River ranged from 14,000 to over 17,000 m³/s, more than two standard deviations above the mean for this period. The extreme runoff was the direct result of both melting of anomalously...
2015-11-26 (iso8601)
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