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1601 - 1625 of 5942 Items << < 60 61 62 63 64 65 66 67 68 69 > >>
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The following is a summary of the recommendations of the Board :
1st. Improvement of the river with a single lock near the foot of the main rapids for navigation up to 20 feet above low-water gauge No. 2, and a guard gate at the head of canal to...
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Image Caption: THE LEVEL PLAIN OF OLD LAKE LEWIS --page break-- ciding that it could be run with safety, if done rightly, I slipped through its greatest waves with nothing more serious happening than the picking up of a little spray on the canvas...
2004-07-20
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the Columbia River at Marcus, in the United States. From where I first saw this railway Lower Arrow Lake turns gradually to the left, soon has an almost due east course, which it maintains to Castlegar. As I kept down the right hand shore the...
2004-07-14
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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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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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Columbia River Gorge
National Scenic Area
AGRICULTURE AND RANGE
SUITABILITY
Map legend: EXISTING AGRICULTURE HIGH RANGE SUITABILITY MODERATE RANGE SUITABILITY LOW RANGE SUITABILITY NO RANGE SUITABILITY SUITABILITY BOUNDARIES... |
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the Gorge in 1924, has documented evidence of human occupation on the east end of the Scenic Area as early as 10,000 years ago.
Archaeological, ethnographic and historic records substantiate The Dalles area as a major trade center for native...
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Early ocean residence is assumed to be a critical period for juvenile Pacific salmon Oncorhynchus spp. However, the specific mechanisms influencing growth and survival in the ocean have not been identified for most populations. Therefore, three...
2010-11-16 (iso8601)
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Master scanned with Epson 1640XL at 800 dpi. Image manipulated with Adobe Photoshop 7.0.
1938-05-31
2003-01-01 |
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This study aims to improve knowledge of how suspended particulate matter
(SPM) affects hydrophobic contaminant transport in the lower Columbia River and its
estuary, using polycyclic aromatic hydrocarbons (PAHs) as model compounds. It is...
2009-06-19 (iso8601)
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Selected material from volume two of: "A History of the Columbia Basin Project: Volume II"
2024-11-25 |
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The biology, history and synonyms of
reviewed and the known distribution given.
Fascioloides magna were reviewed and the known distribution given. Studies have shown that Cervidae are the natural hosts and domestic
ruminants the accidental hosts....
1965-03-05 (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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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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