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- Risks_to_the_Glen_Canyon_Dam abstract "Glen Canyon Dam, a concrete arch dam on the Colorado River in the U.S. state of Arizona, has been associated with a large amount of risk, most notably the risk of its siltation and failure. Because of high silt content carried in by the Colorado and San Juan rivers, Lake Powell is gradually filling with sediment, decreasing its capacity; eventually the sediment will build up against the dam and affect its safe operation.The dam, anchored in unstable Navajo sandstone (sometimes said to be "solidified sand dunes"), nearly failed in 1983 as the result of a flood on the upper Colorado River. Siltation, degradation of concrete and reinforcements, spillway operational problems, and unstable dam abutments are all key factors that affect the safe operation of the dam. It is estimated that a breach of the dam would produce a floodwave that would overtop the Hoover Dam. As the dam's useful lifespan is estimated by some to be no more than 85 to 100 years, the dam has been called "America's most regretted environmental mistake" by David Brower, then-head of the Sierra Club. Other estimates, by the Bureau of Reclamation and others suggest a lifespan of between 500–700 years.".
- Risks_to_the_Glen_Canyon_Dam thumbnail Glen_Canyon_Dam_from_Colorado_River.jpg?width=300.
- Risks_to_the_Glen_Canyon_Dam wikiPageExternalLink FS-089-96.
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- Risks_to_the_Glen_Canyon_Dam wikiPageID "22817439".
- Risks_to_the_Glen_Canyon_Dam wikiPageLength "21102".
- Risks_to_the_Glen_Canyon_Dam wikiPageOutDegree "66".
- Risks_to_the_Glen_Canyon_Dam wikiPageRevisionID "677470057".
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Alluvial_fan.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Arch_dam.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Archaeological.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Archaeology.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Arizona.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Bureau_of_Reclamation.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Category:1983_floods.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Category:1984_floods.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Category:Dam_controversies.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Category:Glen_Canyon_National_Recreation_Area.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Cavitation.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Colorado_River.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Colorado_River_Delta.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Colorado_River_Storage_Project.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Concrete.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink David_Brower.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Davis_Dam.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Dredging.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink El_Niño.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Flash_flood.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Floodgate.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Gatehouse_(waterworks).
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Glen_Canyon.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Glen_Canyon_Dam.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Grand_Canyon.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Hoover_Dam.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Hydraulic_jump.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Hydroelectricity.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Lake_Havasu.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Lake_Mead.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Lake_Mohave.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Lake_Powell.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Little_Colorado_River.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink National_Weather_Service.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Navajo_Sandstone.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Navajo_sandstone.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Outlet_works.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Page,_Arizona.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Palo_Verde_Dam.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Paria_River.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Parker_Dam.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Penstock.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Reservoir.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink San_Juan_River_(Colorado_River).
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Sierra_Club.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Snowpack.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink U.S..
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink USD.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink United_States.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink United_States_Bureau_of_Reclamation.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink United_States_dollar.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Utah.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink Virgin_River.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink File:ColoradoRiverDelta_ISS009-E-09839.jpg.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink File:GCDam.gif.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink File:Glen_Canyon_Dam_from_Colorado_River.jpg.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink File:Glen_Canyon_Spillway_Gates.jpg.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink File:Glencanyonrelease.jpg.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLink File:Lake_Powell_-_Arizona.JPG.
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLinkText "Risks to the Glen Canyon Dam".
- Risks_to_the_Glen_Canyon_Dam wikiPageWikiLinkText "Risks to the Glen Canyon Dam#Colorado River Floods of 1983".
- Risks_to_the_Glen_Canyon_Dam hasPhotoCollection Risks_to_the_Glen_Canyon_Dam.
- Risks_to_the_Glen_Canyon_Dam wikiPageUsesTemplate Template:Citation_needed.
- Risks_to_the_Glen_Canyon_Dam wikiPageUsesTemplate Template:Colorado_River_system.
- Risks_to_the_Glen_Canyon_Dam wikiPageUsesTemplate Template:Commons_category.
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- Risks_to_the_Glen_Canyon_Dam subject Category:1983_floods.
- Risks_to_the_Glen_Canyon_Dam subject Category:1984_floods.
- Risks_to_the_Glen_Canyon_Dam subject Category:Dam_controversies.
- Risks_to_the_Glen_Canyon_Dam subject Category:Glen_Canyon_National_Recreation_Area.
- Risks_to_the_Glen_Canyon_Dam type Area.
- Risks_to_the_Glen_Canyon_Dam type Article.
- Risks_to_the_Glen_Canyon_Dam type Dam.
- Risks_to_the_Glen_Canyon_Dam type Park.
- Risks_to_the_Glen_Canyon_Dam type Area.
- Risks_to_the_Glen_Canyon_Dam type Article.
- Risks_to_the_Glen_Canyon_Dam type Controversy.
- Risks_to_the_Glen_Canyon_Dam type Dam.
- Risks_to_the_Glen_Canyon_Dam type Park.
- Risks_to_the_Glen_Canyon_Dam comment "Glen Canyon Dam, a concrete arch dam on the Colorado River in the U.S. state of Arizona, has been associated with a large amount of risk, most notably the risk of its siltation and failure.".
- Risks_to_the_Glen_Canyon_Dam label "Risks to the Glen Canyon Dam".
- Risks_to_the_Glen_Canyon_Dam sameAs m.01187n14.
- Risks_to_the_Glen_Canyon_Dam sameAs Q7336309.
- Risks_to_the_Glen_Canyon_Dam sameAs Q7336309.
- Risks_to_the_Glen_Canyon_Dam wasDerivedFrom Risks_to_the_Glen_Canyon_Dam?oldid=677470057.
- Risks_to_the_Glen_Canyon_Dam depiction Glen_Canyon_Dam_from_Colorado_River.jpg.
- Risks_to_the_Glen_Canyon_Dam isPrimaryTopicOf Risks_to_the_Glen_Canyon_Dam.