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View looking downstream over the reservoir area from WPA Camp Gifford, taken from a point at elevation 1290, the ultimate high-water line of the reservoir. Burning of the debris piles in the foreground will complete all clearing seen in this view.
1941-02-15
2024-11-26 |
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2514 EEPORT OF THE CHIEF OF ENGINEERS, U. S. ARMY.
DAM AT BURKE'S SLOUGH.
(For site see map.)
Length...............................................................feet.. 250
Mean depth at low...
2006-06-16
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[unrelated material omitted]
COLUMBIA RIVER.
The defenses at the month of this river having been built rapidly and for a special purpose, are of a temporary kind—field works in design—with platforms, magazines, and breast-height of...
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Image Caption: PILLARS OF HERCULES --page break-- against any rise in the tide, whose fluctuations at this section of the River I was not familiar with.
A heavy fog shrouded the River on the morning of November 1, and it was not until 10 o'clock...
2004-07-22
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The Small Manuscripts and Subject Files contains primarily single-item or subject-created collections.; The Small Manuscripts and Subject Files contains primarily single-item or subject-created collections.; Folders are arranged alphabetically.;...
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The Visual Instruction Department Lantern
Slides consist of slide sets assembled and loaned by the Oregon State
System of Higher Education General Extension Division. The slides depict a
variety of topics including many related to Oregon and the...
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LOWER WILLAMETTE RIVER.
POST OFFICE AND MOUTH OF WILLAMETTE BARS,
October, 1876,
Surveyed and drawn under the direction of Major John M. Wilson, Corps of Engineers, U.S.A., by Robt. A.Habersham, Asst. Engr.
Magnetic Meridian...
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Dam and diversion works viewed from the upstream side. Upstream cross-river cofferdam appears on the right, and the entrance to the diversion channel on the left. The rough surface of ice is caused by the piling up of floe-ice. The two barges,...
1937-01-28
2024-11-26 |
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West end of dam, with diverted river flowing in low channels in blocks Nos. 32, 34, 36, 38. Cross-river cofferdams at upper left and right edges. Suspension bridge aggregate conveyor to the left.
1937-01-08
2024-11-26 |
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An 84-inch needle valve being placed on erection base in bay R-5 of the right powerhouse at Grand Coulee Dam. Eight of these needle valves, transferred from Boulder Dam, are being temporarily installed in the turbine pits by use of steel reducers...
1944-11-24
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Tentative Disposition
Source PI-60
PI-61 E
PI-17 D F-19
B
Problem or Area of Concern
20. Slowing of the river has created our shoaling problem. Can anything be done to rectify this, such as by dumping spoil in the area between...
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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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Rearing pond site at mouth of Gordon Creek, tributary to Sandy River
1941-05-26
2003-01-01 |
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BACKGROUND
For more than 25 years the quality of the waters of the Lower Columbia River has been adversely affected by periodically abundant slime growths which flourish on nutrient materials contained in wastes discharged along the 80-mile...
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Providing a water supply sufficient in quantity and suitable in temperature for proper operation of hatchery, rearing ponds, and holding ponds presented many engineering problems. In their upstream migration, after leaving the salt water of the...
2024-11-26
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Document: Statement of Senator Thomas Kuchel on H.R. 3300, March 13, 1967, page 3
1967-03-13
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Document: "Snake-Colorado Project, A Plan to Transport Surplus Columbia River Basin Water to the Arid Southwest", October, 1963, table 1
1963-10-01
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Document: "Snake-Colorado Project, A Plan to Transport Surplus Columbia River Basin Water to the Arid Southwest", October, 1963, page 15
1963-10-01
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Document: From Joseph Jenson, Confidential Report to M.W.D. Directors, "Conference with Secretary of the Interior Udall," December 15, 1964 (thermofax), page 1
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EXPLANATION IRRIGATED LAND SUPPLEMENTAL IRRIGATION (PROPOSED) AUTHORIZED FOR CONSTRUCTION POTENTIAL IRRIGATION PROJECT RESERVOIR SITE MAIN CANAL LOCATION DRAINAGE BASIN BOUNDARY WATER POWER PLANT POTENTIAL POWER PLANT PACIFIC OCEAN For names of...
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water freed up by conservation projects to be dedicated to instream uses? 50 Without answers to these questions, can the Bureau play much of a role in tributary water issues in which ecosystem issues are central?
The Federal Energy Regulatory...
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The hydropower system's financial commitment to reclamation is significant. In 1985, the General Accounting Office estimated that $14.1 billion in irrigation costs were scheduled on paper to be recovered through power revenues.131 However, because...
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Change in Columbia River Hydrograph at the Dalles, 1879-92
Percent of Annual Runoff
Image caption: Figure 3.-The effect of storage projects on the river's seasonal flow. |
