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Dams
 Websites presented in alphabetical order 2008 High-Flow Experiment From Glen Canyon Dam 
 Details about the Department of the Interior approved experiment in early March 2008 to evaluate "the effectiveness of using high flows from Glen Canyon Dam to improve natural, recreational, and cultural resources in Grand Canyon National Park." Includes a FAQ, media releases, flow schedule, maps, water gage data for sites along the Colorado River, planning documents and fact sheets, and related material. From the Grand Canyon Monitoring and Research Center, U.S. Geological Survey (USGS). http://www.gcmrc.gov/research/high_flow/2008/ Topics: Technology Last updated Mar 3, 2008 Aging Infrastructure: Dam Safety
September 2005 Congressional Research Service (CRS) report analyzing U.S. dam safety activities. Topics include dam failure risks, federal and state dam safety management, reduction of dam failures, and rehabilitation of federal and nonfederal dams. Includes data charts and tables. From the Center for Democracy & Technology. Note: The Congressional Research Service does not make its publications directly available online. Opens directly into a PDF file. http://assets.opencrs.com/rpts/RL33108_20050929.pdf Topics: Technology Last updated Dec 4, 2007 Grand Coulee Dam Collection
A collection of over 200 "images of photographs and text documenting the creation of the Grand Coulee Dam, built during the first half of the twentieth century." Searchable by keywords and browsable by material type and topic (construction, land clearing, moving the Washington town of Marcus, official visits and events, Works Progress Administration camps). Also includes an excerpt from the 1994 book "Grand Coulee: Harnessing a Dream." From the University of Washington Libraries Digital Collections. http://content.lib.washington.edu/grandcouleeweb/ Topics: Technology Last updated Aug 18, 2005 Great Wall Across the Yangtze
"When finished, the Three Gorges Dam will produce the energy of 15 nuclear power plants and tame some of the river's deadliest floods. To China's leaders, the dam is the greatest engineering feat since the construction of the Great Wall, but to critics worldwide, it is a social and environmental disaster." Features perspectives from the Chinese government, local residents, journalists, and engineers. Includes information on endangered artifacts, endangered species, and environmental concerns. From PBS Online. http://www.pbs.org/itvs/greatwall/ Topics: Energy, Geography, Science, Technology, Water Last updated Feb 10, 2005 Hoover Dam
A look at people and events, recommended reading, an essay on "whether dams are environmentally and economically sound or harmful," and suggested topics for classroom discussion of the dam. A companion to the PBS television program in The American Experience series. http://www.pbs.org/wgbh/americanexperience/hoover/ Topics: Architecture, Economics, Technology, U.S. History By Place Last updated Oct 5, 2009 The Hoover Dam: Lonely Lands Made Fruitful
The construction of the dam is presented in the context of the Great Depression, its enormity a metaphor for strength and modernity in a time of hardship. The site has social commentary about the creation of Boulder City, maps and plans, Franklin D. Roosevelt's dedication speech, and photographs taken throughout the project, including several of the Colorado River diversion process. http://xroads.virginia.edu/~MA98/haven/hoover/front2.html Topics: Architecture, Photograph Collections: History, Photograph Collections: Regional: United States, Presidents by Name, Technology, U.S. History By Place Last updated Feb 21, 2006 Sand in the Grand Canyon: Two U.S. Geological Survey Studies
Information about how "a controlled flood was held during late March and early April of 1996 to help researchers determine if periodic large releases of water from Glen Canyon Dam can rebuild sandbars and restore other habitats [along the Grand Canyon of the Colorado River] that have deteriorated since the dam's completion in 1963." Includes discussion of the studies of sandbar formation and sand distribution. From the U.S. Geological Survey (USGS). http://walrus.wr.usgs.gov/grandcan/twostudies.html Topics: Technology, Water Last updated Mar 3, 2008 |
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