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2451 - 2475 of 5942 Items << < 94 95 96 97 98 99 100 101 102 103 > >>
2451 - 2475 of 5942 Items << < 94 95 96 97 98 99 100 101 102 103 > >>
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Central spill and left fishway taken from middle fishway at Rock Island Dam
1940-06-30
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Source
F- 7
PI-83, 106, 107
WI-55 SI-74 F-12
Tentative Disposition
F C
Problem or Area of Concern
2. Under certain conditions, restrictions on speed of ships and barges are necessary for reasons of public safety and erosion of...
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Left trap at the Rock Island Dam during the summer
1938-11-30
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Master scanned with Epson 1640XL at 800 dpi. Image manipulated with Adobe Photoshop 7.0.
1935-09-18
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Columbia River Gorge Commission
GMAs, SMAs, and Urban Areas
Land Acquisition
The creation of a bi-state Columbia River Gorge Commission to implement portions of the Act is another illustration of the delicate balance. For example, its...
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Preface
Public Law 99-663, the Columbia River Gorge National Scenic Area Act, was passed by Congress on October 17, 1986, and signed by President Ronald Reagan one month later on November 17, 1986. Among other requirements, the Act directed the...
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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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To meet societal needs, modern estuarine science needs to be interdisciplinary and collaborative, combine discovery with hypotheses testing, and be responsive to issues facing both regional and global stakeholders. Such an approach is best...
2015-12 (iso8601)
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The benthic amphipod Corophium salmonis was sampled seasonally from two sites (Desdemona Sands and Grays Bay) in the Columbia River estuary. Populations of C. salmonis at both sites were found to have a two generation per year life cycle, a spring...
1983-04-27 (iso8601)
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the Columbia Gorge.
The conservation clause, which all BPA contracts since 1939 have contained, stipulates that:
"Power generated at the Bonneville Project Power Plant shall not be available to purchasers whose plants or operations, in the...
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This investigation has been carried out primarily to define the Columbia
River bar crossing problem, to determine the physical factors involved in
hazardous transit developments, and to develop a method for predicting
hazardous bar transit...
1971 (iso8601)
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The thesis area includes 54 square miles of the southeastern
Cuddy Mountains in west-central Idaho. The oldest rocks within the
area are plutonic phases of the Jurassic Cuddy Mountain complex.
These and Cretaceous (?) intrusive and associated (?)...
1970-05-20 (iso8601)
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Document: "Snake-Colorado Project, A Plan to Transport Surplus Columbia River Basin Water to the Arid Southwest", October, 1963, table 5
1963-10-01
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Document: Statement presented by Senator Len B. Jordan To Senate Irrigation and Reclamation Subcommittee During Hearings on Central Arizona Project (S. 1658) In discussion of Pacific Southwest Water Plan, April 17, 1964, page 5
1964-04-17
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