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1526 - 1550 of 5942 Items << < 57 58 59 60 61 62 63 64 65 66 > >>
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Large rivers represent gateways for the transport of
terrigenous and anthropogenic material to the coastal ocean.
Here we document a ∼700 km2 recirculation or bulge associated
with the Columbia River plume that retains recently discharged
river...
2010-09-30 (iso8601)
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Document: "Snake-Colorado Project, A Plan to Transport Surplus Columbia River Basin Water to the Arid Southwest", October, 1963, page 5
1963-10-01
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2488 REPORT OF THE CHIEF OF ENGINEERS, U. S. ARMY.
COMMERClfJL STATISTICS.
The Cascades of the Columbia River are in the collection district of Willamette.
The nearest port of entry is Portland, Oregon, 63 miles distant by river. The...
2006-06-16
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W 4.
SURVEY OF SAINT HELEN'S BAR, COLUMBIA RIVER, 0REGON
The ocean-steamers having experienced considerable trouble at this point on several occasions, a survey of the locality was recommended by me and approved of by the Chief of Engineers....
2004-08-26
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Sepia image. Seen from above, the Pillars of Hercules rock formation faces the Columbia River. In the left foreground is a winding road that passes between the Pillars. There are four utility poles alongside the road. Trees line the riverbank,...
2004-08-04
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Colored image. Seen from above, the Pillars of Hercules rock formation faces the Columbia River. In the left foreground are winding train tracks identified as the "O. R. R. & Nav. Co. Road" that passes between the Pillars. There are four utility...
2004-08-04
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thin mattress spread on the ground or a hard board floor was decidedly pleasant. In the morning Mr. Boyle invited me to breakfast, and filled me up with bacon, hot griddle cakes with butter and syrup, and coffee.
The town of Marcus is across the...
2004-07-19
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Cloud Cap Inn Ready for the Climb
HOOD'S FOREST FASTNESSES A Lure to Camp Life
The fir, pine and hemlock forests of Mount Hood hold many sources of enjoyment and health. Vast in extent, completely surrounding the great mountain, they offer...
2004-07-06
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which annually occur, in the months of April and June. The soundings were taken with the lead. Owing to the shape of the channel at this local. ity, combined with the extreme high water and soft nature of the bottom at the time, it was difficult...
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Tree roots are exposed on a sandy shore of the Columbia River. The trees closest to the river are dead or dying, possibly as the result of erosion. There is a light mist over the river. The other shoreline is very faintly visible through the mist.
2004-03-01
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Caption on mount: Columbia River fishermen. Taring nets. Columbia River, Washington
PH Coll 293.26 |
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Measurements of suspended sediment concentration, velocity, salinity, and turbulent
microscale shear in the near-field region of the Columbia River plume are used to investigate
the mechanisms of sediment resuspension and entrainment into the...
2009-11-24 (iso8601)
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and is held in readiness for future use. Although the foundation to a great extent proved to be quicksand, and the velocity of the current unusually strong, still, upon an examination of the piles, caps, and braces, it was found that the...
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3. The Columbia River is the greatest single undeveloped source of water power in the United States. With its tributaries it can produce power equal to that purchased in 1929 in the entire United States by All the homes. All the farms. All the...
2004-06-24
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Creek was built to provide game fish for Lake Roosevelt and increased funding of this facility should be considered.
Section 8C, Item 6. Transporting Juvenile Salmon
The transportation concept is presently under study by the National...
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A black and white photograph of a steamboat identified as the "Selkirk" on the Columbia River above Wenatchee. The Selkirk was built in Wenatchee in 1899 and was owned by the Columbia & Okanogan Steamboat Co. She was wrecked at Rock Island Rapids...
2004-04-19
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A black and white image looking north across the Columbia River to the town of Vancouver, Washington. The river is in the foreground. At the far left a tall smokestack is seen behind some buildings. In the middle of the photo is a building with...
2004-03-24
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Source
PI-6, 16, 20, 21, 60 SI-26, 77, 78, 81 F-1
WI-17, 28, 39, 52 F-17
Tentative Disposition
E
PI-96 E F-17
Problem or Area of Concern
10. The feasibility of reestablishing migratory fish runs past high dams such as Hells...
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Photo shows Kettle Falls, on the Columbia River, which are now obliterated by the backwater from Grand Coulee Dam
1935-09-18
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Predation by piscivorous marine fishes has been hypothesized to be a primary source of marine
mortality for Pacific Northwest juvenile salmon. During the springs and summers of 1998–2004, we collected predator and prey fishes (forage and juvenile...
2008-05 (iso8601)
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For the first objective of this thesis, we attempt to understand the role of water flow and directionality in determining steelhead (Oncorhynchus mykiss) and spring/summer and fall Chinook (O. tschawytscha) migration patterns within the Columbia...
2006-01-30T22:05:58Z (iso8601)
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The annual flood stage of the Columbia River pours through the spillway diversion area of Grand Coulee Dam. A peak flow of 265,600 second feet was reached in 1940.
1940-06-03
2024-11-25 |
