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APPENDIX U U.
IMPROVEMENT OF WILLAMETTE RIVER, OREGON, AND OF LOWER CO-
LUMBIA RIVER AND ITS TRIBUTARIES, OREGON AND WASHINGTON.
REPORT OF MAJOR THOMAS H. HANDBTJRY, CORPS OF ENGINEERS, OFFI-
CER IN CHARGE, FOR THE FISCAL YEAR...
2006-06-16
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This collection contains photographs
collected and possibly taken by Chris L. Wheeler (b. 1927), State Engineer of
Oregon from 1962-1975. The bulk of the photographs depict the Tumalo Irrigation
Project in Deschutes County, Or. in...
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Chinook salmon returns to the Columbia River basin have declined due to impacts of a growing human population, despite significant mitigation expenditures. Consequently, fisheries managers have become focused on recovery and long-term viability of...
2015-09-29 (iso8601)
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Radioactive chromium-51, a waste byproduct from operation
of nuclear reactors at Hanford, Washington, has been followed down
the Columbia River and into the Pacific Ocean. Chemical factors
influencing the partitioning of ⁵¹Cr between solution and...
1966-12-15 (iso8601)
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Shifting climate patterns in the Columbia River basin are affecting snow pack, and, as a result, stream flow throughout the region. In the Oregon Cascades, ever growing populations, and their associated activities, place increasing stress on an...
2009-06-12 (iso8601)
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reservoir levels can preclude food production at the river's edge.36 Scouring flows that create salmon gravels have been eliminated. Migratory conditions, water salinity and temperature in the estuary and ocean have been changed.37 A juvenile fish...
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to Columbia City, on the Columbia, for sea-going vessels and steamers drawing 20 feet or more, by the construction of a system of dikes and dams formed of piles and loose stone, which would utilize the available waters and currents of these rivers...
2006-01-03
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it from Wenatchee and continues northward, up the Okanogan River, and across the Border into British Columbia. Opposite to Brewster the Columbia is over a mile wide but is filled with several large, low sandbars. At this point, the River meets an...
2004-07-19
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This region, more particularly in the vicinity of Walla Walla and on the Snake River, is rapidly being settled. The products are increasing from year to year, and the impediments to navigation in the Snake and Columbia Rivers are all that prevent...
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streams, from west to east; the Deschutes River, John Day River, Willow Creek, and Umatilla River, and canyons of their tributaries. The interstream areas, however, are extensive and relatively undissected. The best known section comprises the...
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two miles, is from Latourell to Crown Point 14a total rise of 500 ft. From Portland to Chanticleer, twenty-two miles, the rise is 875 ft. Engineer and Contractor readers of Contracting who consider this problem and study the accompanying typical...
2004-06-16
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THE COLUMBIA RIVER SALMON FISHERIES. (Continued from first page.) wheat crop of Oregon and a part of Washington to Liverpool, and it has also a considerable trade in lumber. Its chief importance, however, is derived from the extensive and...
2004-03-02
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For this most arduous part of the voyage there were four in the party, with a big double-ended boat specially built for rough water. Further down, for a considerable stretch, we were three, in a skiff. Then, for a couple of hundred miles, there...
2004-08-03
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miles wide, with a drop of over 400 feet. By way of comparison, Niagara Falls, one mile wide and with a drop of only 165 feet, would have been dwarfed by Dry Falls. The power at this point of the Ice Age diverted Columbia River was at least that...
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This is Kettle Falls of the Columbia, 41 miles below the Canadian border and 705 miles from the Pacific Ocean. In the background can be seen a point of the sharp, rock island, around which the river poured in a beautiful cascade of falls. Here...
2024-05-16
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CONDENSED HISTORY OF THE IMPROVEMENT OF THE LOWER WILLAMETTE AND COLUMBIA RIVERS, FROM PORTLAND, OREGON, TO THE SEA.
The Columbia is first mentioned by Jonathan Carver, in 1768, as a stream rising on the western slope of the lands dividing...
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watt-hours. On tributaries of the Willamette not affected by enlargement of the 3 flood-control reservoirs, there are 21 potential power developments, and on the Lewis and Cowlitz Rivers, 25. The 46 latter potential developments have not been...
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had been carrying had ceased to be in point now her voyage was over. It had been a very appropriate name for a boat on the Columbia, though, I assured him, and I was going to keep it to use if I ever made the voyage again.
Portland, although it...
2004-08-24
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The collection contains the professional files of one of Oregon's leading conservationists in the mid-twentieth century, Gertrude Glutsch Jensen. The collection includes materials relating to the Columbia River Gorge Commission, the Oregon...
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Chapter VIII
MIDDLE COLUMBIA GENERAL DESCRIPTION The middle Columbia Basin is the plateau and mountain country drained by the Columbia River between its junction with the Snake near Pasco, Wash., and the head of tidewater at Bonneville... |
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occurred, and those have almost invariably resulted from attempts to sail across it against a strong ebb-tide, either when the winds have not been propitious, or have died away before accomplishing the passage. It is proposed to occasionally send,...
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deposits near Molalla, Clackamas County, and Cottage Grove, Lane County.
Sands of the Columbia delta and the present and ancient beaches of Oregon contain heavy minerals—magnetite, titaniferous iron, ilmenite, chromite, garnet, sircon, and...
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CHAPTER VI
THE PARADOX OF THE COLUMBIA AND KOOTENAY RIVERS We are now pretty well primed, in a general way, with facts in relation to the Columbia River, and about all that remains to be known is the exact nature of the country it...
2004-07-06
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Basin are required before major, additional developments can be planned.
lrrigation.—Little quantitative information is available about irrigation potentialities in the Kootenai Basin. The bulk of the land susceptible to irrigation is located...
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Proposed resource management plan/final environmental impact statement for the Klamath Falls Resource Area
1994-05-16
2005-06-07 2005-04-14 |
