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• Dams & Reservoirs .
• Organizations and Web sites with information regarding specific dams, reservoirs, and projects are listed alphabetically by name. Additional sections include abstracts, articles and reports specific to dams and reservoirs, links to dams, reservoirs, and projects in regional river basins, and a special section on the U. ...
• Abstracts, Articles & Reports ~ Specific to Dams and Reservoirs .
• Dams and Reservoirs in Regional River Basins .
• AquaDams are quick, temporary dams that use water to control water problems, thus avoiding severe environmental damage. ...
• The PBS website has a section entitled Building Big Dams that has everything and starts with the basics. Take the Dam challenge and find out why some dams last and others fail. ...
• Established in 1902, the Bureau of Reclamation is best known for the monitoring of the dams, power plants and canals constructed in 17 western states. ...
• For information on dams in California, visit the California Dams Database. The Division of Safety of Dams reviews plans and specifications for new dam construction, repairs or alterations to existing dams and even the removal of dams. They also conduct periodic inspections of dams. ...
• The Canadian Dam Association, founded in 1989, ensure dams operate in a safe manner. They promote adoption of regulatory policies and safety guidelines for dams and reservoirs throughout Canada, sharing their knowledge and information with other agencies interested in dam safety from around the world. ...
• Cracking Dams features information on just that: cracks in dams. ... Each level takes you through the steps of what happens to a dam when there are cracks, why they crack and quite a bit of information on dams in general. See some great footage of dams breaking (taken from some of your favorite movies). ...

• Earthquake Engineering for Concrete Dams: Design, Performance, and Research Needs (1991).
• Earthquake Engineering for Concrete Dams: Design, Performance, and Research Needs.
• Panel on Earthquake Engineering for Concrete Dams .
• PANEL ON EARTHQUAKE ENGINEERING FOR CONCRETE DAMS.
• The Hazard of Dams, .
• Seismic Safety of Concrete Dams, .
• Concerns about the seismic safety of concrete dams have been growing during recent years, partly because the population at risk in locations downstream of major dams continues to expand and also because it is increasingly evident that the seismic design concepts in use at the time most existing dams were built were inadequate. To respond to these concerns, the Panel on Earthquake Engineering for Concrete Dams was appointed to serve under the NRC Committee on Earthquake Engineering. The mandate of the panel was to evaluate the present status of knowledge about the earthquake performance of concrete dams, including procedures for investigating the seismic safety of such structures, and to summarize its findings in a report. The report was intended specifically to inform research workers about the state of the art of earthquake analysis of concrete dams and to identify subject areas where additional knowledge is needed. ...
• Questions about the safety of concrete dams were first brought into focus in this country by the failure of St. ... Now known as the Division of Safety of Dams of the California Department of Water Resources, this agency has jurisdiction over nearly 1,200 dams, and its operation during the past 60 years has served as a model for similar agencies in many other states and several other countries. ...
• The hazard posed by large dams has been demonstrated since 1928 by the failure of many dams of all types and in many parts of the world. However, no failure of a concrete dam has resulted from earthquake excitation; in fact the only complete collapses of concrete dams have been due to failures in the foundation rock supporting the dams. On the other hand, two significant instances of earthquake damage to concrete dams occurred in the 1960s: Hsinfengkiang in China and Koyna in India. ... This excellent safety record, however, is not sufficient cause for complacency about the seismic safety of concrete dams, because no such dam has yet been subjected to maximum conceivable earthquake shaking while retaining a maximum reservoir. For this reason it is essential that all existing concrete dams in seismic regions, as well as new dams planned for such regions, be checked to determine that they will perform satisfactorily during the greatest earthquake shaking to which they might be subjected. ...

• The requested URL /roctelemac/field/dams. ...

• SAVE our DAMS.
•   Les has contributed a lot of time and energy helping Save Our Dams and his efforts are most appreciated by everyone. ...
• SAVE our DAMS .
•   If he's elected president, four lower Snake River dams "will stay right where they are, providing low-cost power and jobs for you, your family, your community and the entire Northwest," Bush says in the spot.   "Breaching the dams would be a big mistake," the ad says. "The economy and jobs of much of the Northwest depend on the dams that generate this power. " Bush plans a campaign stop Monday in the Tri-Cities, which would be greatly affected if the dams were breached by removing earthen portions and allowing the river to flow freely around them. That would end hydropower production at the dams and render a 140-mile stretch of river impassable by barges that travel as far east as Lewiston, Idaho. ...   Federal agencies are considering whether to recommend to Congress that the dams be breached as part of a program to restore threatened Columbia River Basin salmon runs. ...   McCain said Wednesday in a campaign stop in Spokane that he would consider breaching the dams if it's necessary to save salmon runs. ...
• Gary Locke offered his strongest opposition yet to breaching the four lower Snake River dams Tuesday, rebutting the stance of Oregon Gov. ... "I do not support the breaching of the dams. ...   On several trips to the Tri-Cities in the past year, Locke said he "can't conceive of any argument that will lead me to support the breaching of the dams" but would not say he opposed it when asked directly. ...   "Those of us who are opposed to breaching the dams must work to find other alternatives or options to help in the recovery of salmon," he said. "It's simply not enough to say we oppose the breaching of the dams. ...
• Gordon Smith said Wednesday in Albany that federal dams on the lower Snake River will stay in place as long as he has anything to say about it. ... , is chairman of the Senate water and power subcommittee that would have to authorize any removal or breaching of the Snake River dams, a move advocated by some to help restore salmon runs. ... Smith wondered how the region would replace the Snake River dams as a source of renewable, inexpensive electricity. ...

• "Dams brilliantly crafts a mystery that defies the usual category. ...
• Dams lives in South Bend, Indiana, the setting of the highly acclaimed historical mystery series featuring Hilda Johansson, whose previous adventures were recorded in Death in Lacquer Red, Red, White, and Blue Murder and Green Grow the Victims. Dams is also the author of the Dorothy Martin mysteries.

•   The Yuba’s salmon run is still an impressive annual event in the main stem of the river, but the population has declined drastically since the early 1800s as a result of gold-mining, logging, road-building, and habitat loss due to dams and diversions. ...
• 1893      Caminetti Act creates the California Debris Commission to impound hydraulic mining debris with dams.
•   The Caminetti Act in 1893 created the California Debris Commission, the role of which was to build dams to impound hydraulic mining debris (Sumner and Smith, 1940).
• ” (Sumner and Smith, 1940)  And the dams built to contain the debris from hydraulic mining, as well as for other purposes, were at least as detrimental to the fish as mining itself. ...
• Dams.
• “It must be kept in mind that while the production of gold will ultimately end, salmon can go on reproducing their kind indefinitely; and the debris dams will continue indefinitely to restrict present and potential salmon runs and the permanent economic values to be derived therefrom” (Sumner and Smith, 1940).
•   For this reason, they are “among the most disrupted rivers in the world, with hundreds of dams and diversions emplaced on the mainstems and tributaries. ...   Dams and diversions have altered the flow of the Yuba River and affected salmon populations since 1892, with the construction of Spaulding Dam.   Here is the chronology of dams on the Yuba:.
• Sumner and Smith, in their 1940 survey of salmon populations, point out two problems with debris dams for the fishery.   First, the height of the dams blocks all potential salmon and steelhead runs upstream of the barriers.   Second, debris dams are built “for the sole purpose of allowing gravel and silt to be washed into the streams above them, and this silt will affect both resident and migrant fish” (Sumner and Smith, 1940). ...
• Dams would probably be very deleterious to fish life. ...
•   Access to this fork was already blocked by dams when surveys were conducted by the Department of Fish and Game in the 1930s. ...
• The Yuba River is the focus of this ambitious restoration project because, despite its long history of alteration by mining, logging, dams and diversions, and other disturbances, it continues to support some of the last wild runs of chinook salmon and steelhead in California. ...
• “Hydraulic mining and debris dams in relation to fish life in the American and Yuba rivers of California. ...

• THE NINE DAMS of .
• Click on the Dams on map above to view associated web pages.
• Nine dams have been built along the river to insure the people of the Tennessee Valley adequate transportation and protection against flooding rains. The Tennessee Valley Authority (TVA) maintain and operate all nine dams, and the Army Corp of Engineers maintain and operate the locks that accompany each dam. The dams also provide electricity for industries and residents, recreation for tourists and residents, and water supplies during times of drought. ...
• RTopics Related to the Dams:.
• DOWNLOAD A MAP OF THE NINE DAMS .
• DAMS .
• Sources for this page and the following pages related to the Nine Dams of the Tennessee River: .
• All illustrations on the following pages related to the Nine Dams of the Tennessee River were produced by Christopher D. ...
• All current photographs on the following pages related to the Nine Dams of the Tennessee River were taken by Christopher D. ...

• Earthquake Engineering for Concrete Dams: Design, Performance, and Research Needs (1990).
• Safety of Dams: Flood and Earthquake Criteria (1985) (ISBN 0309035325) Committee on Safety Criteria for Dams, Water Science and Technology Board, National Research Council.
• Safety of Existing Dams: Evaluation and Improvement (1983) (ISBN 030903387X) Committee on the Safety of Existing Dams, Water Science and Technology Board, Commission on Engineering and Technical Systems, National Research Council.

• Dams and Lakes.
• LCRA dams form the Highland Lakes.
• LCRA operates six dams on the lower Colorado River in Central Texas: Buchanan, Inks, Wirtz, Starcke, Mansfield and Tom Miller. ...
• These dams form the six Highland Lakes — Buchanan, Inks, LBJ, Marble Falls, Travis and Austin. ...
• While all the dams were built to help handle floods, Mansfield Dam, which forms Lake Travis, is the only one designed to hold back floodwaters. The other dams pass floodwaters downstream to Lake Travis, where the water is stored in a flood pool until LCRA can safely release it downstream. ...
• To find out more, see Hydroelectric Dams. ...
• The Highland Lakes dams will protect downstream homes and businesses from flooding. ...
• The other dams help manage the flow of floodwaters as they travel through the chain of lakes. ...

• In southeastern Washington State, the four Lower Snake River dams provide: .
• Dams & Economics .
• Oregon Governor Kitzhaber's View "If we want to recover salmon, and we don't want to breach the dams, then we are going to have to step up to the plate. ...
• The alternative plan, labeled "aggressive non-breach," calls for leaving the dams in place while implementing significant steps that include restoration of streams where salmon spawn, reform of hatcheries to reduce harm to wild fish by hatchery-born fish, (restoration of the Columbia River estuary) and increased fishing restrictions. ...
• A sample from Dams & Economics .
• The Federal Government's Current View Much of the regional debate has focused on removal of Snake River dams. ...
• There is continuing scientific uncertainty about whether breaching dams is necessary to achieve recovery and considerable uncertainty about whether it will do the job. ...
• Juvenile Salmon Average (1994-1999) Direct Mortality Fall Chinook Spring Chinook Steelhead Columbia/Snake Dams.
• (8 dams) 12% 20% 17% Columbia/Snake Reservoirs.
• (4 dams & 4 reservoirs) 72% 30% 29% Columbia River.
• (4 dams & 4 reservoirs) 21% 30% 29% Columbia/Snake Rivers.
• (8 dams & 8 reservoirs) 93% 60% 58% Indirect Mortality ? ? ? .

• Permits for Dams and Dikes in Navigable Waters of the United States.
• Dams and dikes in navigable waters of the United States also require DA permits under section 404 of the Clean Water Act, as amended (33 U. ...

• Safety of Existing Dams: Evaluation and Improvement Committee on the Safety of Existing Dams, Water Science and Technology Board, Commission on Engineering and Technical Systems, National Research Council354 pages, 6 x 9, 1983.
• It provides hands-on information for identifying and remedying common defects in concrete and masonry dams, embankment dams, reservoirs, and related structures. It also includes procedures for monitoring dams and collecting and analyzing data. ...

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