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2301 - 2325 of 5942 Items << < 88 89 90 91 92 93 94 95 96 97 > >>
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The hazards associated with tsunamis are well known and have been studied for decades. The majority of research is, however, focused on open coastlines which bear the brunt of a tsunamis force. Other regions that can be strongly impacted by a...
2013-06-03 (iso8601)
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upper basin is evident in the fact that in 1941, nearly 600,000 persons visited Yellowstone Park and more than 125,000 visited Grand Teton Park.
The forest lands of the basin are largely included within national forests. Many roads and trails...
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U 1.
ENGINEER, DEPARTMENT,
Washington, March 8, 1867.
COLONEL : Your letter of 28th January, ultimo, was duly received. The instructions of this department for an examination at the mouth of the Willamette did not contemplate such extended...
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COMMERCIAL STATISTICS.
The Willamette River is in the collection district of Willamette. The nearest port of entry is Portland, Oreg.
The nearest works of defense are at the mouth of the Columbia River.
The revenue collected there for the...
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A black and white image of a view from above the Columbia River. There is a paved road with a fence along it in the foreground. A sign beyond the fence warns that "no parking on pavement is allowed". The road appears to be running along a cliff in...
2004-03-24
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Frey Holland and Parkhurst rescuing downstream chinook migrants from side pockets in the Entiat River
1940-07-06
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Unloading fish truck at dump number 2 on the Entiat River as part of salmon reclamation
1938-11-30
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Master scanned with Epson 1640XL at 800 dpi. Image manipulated with Adobe Photoshop 7.0.
1939-09-30
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Source PI-57
Tentative Disposition
Problem or Area of Concern
5.( Cont) CR&T to this is that it could provide a focus to
draw attention to both the needs and the opportunities here. There are needs for rights of access, development of...
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Looking northeast over the Yakima Valley toward Union Gap from the Satus Pass Highway
1937-09-07
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Outlet of JP Farola's fish pond located just below Bull Run Reservoir on the Sandy River System
1941-05-25
2003-01-01 |
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Master scanned with Epson 1640XL at 800 dpi. Image manipulated with Adobe Photoshop 7.0.
1940-02-29
2003-01-01 |
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Recreation
The Gorge provides a rich variety of recreation opportunities. Some recreation sites are easily accessible, well developed, and likely to be crowded; others are more remote and much less often visited.
The most popular form of...
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Camas, Washington water intake on the Little Washougal River
1935-07-28
2003-01-01 |
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Established in 1873 by J.S. Megler.
PH Coll 293.53 Caption on mount: J.G. Megler and Co.'s Cannery. Columbia River, Washington |
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Caption on mount: Blueback salmon. Columbia River, Washington
PH Coll 293.30 |
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Phosphate, silicate and nitrate concentrations in the sea off
the coast of Oregon were determined to study their seasonal distribution
patterns. The water samples were collected monthly along the
east-west hydrographic line off Newport, Oregon,...
1970-03-16 (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 13
1963-10-01
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Ground Waters
Variation in subsurface materials results in marked local differences in ground-water supplies.
Ground water is reasonably abundant in the alluvial fans which fringe the floor of the Willamette Valley. In the southern part of the...
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managers and neglected the "tails" of the migration, which tended to be wild fish. It also provided no flow augmentation for summer-migrating salmon and fall chinook.
The Vernita Bar settlement. One of the important water initiatives of the...
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32 p. Includes sections of Appendix FF: Annual reports of Maj. N. Michler, Corps of Engineers, and Maj. John M. Wilson, Corps of Engineers, detailing works of river improvements for the Willamette and Columbia rivers.
1876-11-26
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To sum up, the slopes can be ameliorated at the first, second, third, and sixth rapids to the extent of making the river navigable at all stages by increasing the sections at these points and also at the seventh rapid. At the first, second, and...
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Map of the Columbia River from the Cascades Canal to the Foot of Bradfords Island Showing Work Done on River Improvement to June 30th 1883.
Scale
Narrow gauge portage railway
Sent with annual report, 1883.
Washington Territory
Big Eddy...
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mette since 1876, on which was based the plan for permanent improvement now more than half carried out.
Day-time tidal readings at Vancouver were made during part of January, February, and March, to cover the low-water period; and at Saint...
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Contains the professional papers of Lyman S. Willardson.; Biographical Note; Lyman S. Willardson became professor of Agricultural and Irrigation Engineering at Utah State University in 1974. Previously, he served with the USDA Agricultural...
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