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• Elwha_Dam abstract "The Elwha Dam was a 108-ft (33 m) high dam located in the United States, in the state of Washington, on the Elwha River approximately 4.9 miles (7.9 km) upstream from the mouth of the river on the Strait of Juan de Fuca. The dam was built under the direction of Thomas Aldwell. Aldwell previously bought up tracts of land around the river, and with the help of Canadian financier George Glines, began construction of the Elwha Dam in 1910.Aldwell and his contractors cut corners on constructing the dam, including not building fish passages and did not secure it to the bedrock. Thus, in 1912, as the reservoir filled behind the nearly completed dam, the lower sections of the dam gave way and a torrent of water headed downstream, taking out a bridge. Aldwell was able to get funding for reconstructing the dam and it was completed in 1913. The reservoir that filled the valley behind was known as Lake Aldwell. The dam was listed on the National Register of Historic Places in 1988.Initially, along with the Glines Canyon Dam, which was completed in 1926, it helped to fuel economic growth and development for the Olympic Peninsula and the community of Port Angeles, Washington. However, today the combined power output of both dams only provides the equivalent of 38% of the electricity needed to operate one paper mill, the Daishowa America mill.[citation needed]Lacking passage for migrating salmon, its construction blocked access by anadromous salmonids to the upper 38 miles (48 km) of mainstem habitat and more than 30 miles (48 km) of tributary habitat.[citation needed] The salmon runs that once numbered more than 400,000 adult returns in over 70 miles (110 km) of available habitat, now number less than 4,000 adult returns on only 4.9 miles (7.9 km) of available habitat.[citation needed]The "Elwha River Ecosystem and Fisheries Restoration Act of 1992" authorized the US Federal Government to acquire the Elwha Dam and Glines Canyon Dam hydroelectric power projects for decommissioning and demolition for habitat restoration. Work is under way on the Elwha Ecosystem Restoration project, with actual dam removal started on September 27, 2011. The dam was fully removed and the Elwha River flowed freely through the site by March 2012.".
• Elwha_Dam buildingStartYear "1910".
• Elwha_Dam height "32.004".
• Elwha_Dam location Clallam_County,_Washington.
• Elwha_Dam location Washington_(state).
• Elwha_Dam openingYear "1913".
• Elwha_Dam part Elwha_Dam__1.
• Elwha_Dam river Elwha_River.
• Elwha_Dam thumbnail Elwha_Dam.jpg?width=300.
• Elwha_Dam wikiPageExternalLink undamming-elwha.
• Elwha_Dam wikiPageExternalLink 64500703.pdf.
• Elwha_Dam wikiPageExternalLink wa00103ADR2005_Figure14.pdf.
• Elwha_Dam wikiPageExternalLink silver.htm.
• Elwha_Dam wikiPageExternalLink ELWHA.HTML.
• Elwha_Dam wikiPageExternalLink 8-elwha-dam-removal-process.html.
• Elwha_Dam wikiPageExternalLink history.htm.
• Elwha_Dam wikiPageExternalLink elwha-ecosystem-restoration.htm.
• Elwha_Dam wikiPageID "7049153".
• Elwha_Dam wikiPageRevisionID "605774819".
• Elwha_Dam closed "2012".
• Elwha_Dam constructionBegan "1910".
• Elwha_Dam damCrosses Elwha_River.
• Elwha_Dam damHeight "105.0".
• Elwha_Dam extra "--12-15".
• Elwha_Dam hasPhotoCollection Elwha_Dam.
• Elwha_Dam id "wa0604".
• Elwha_Dam imageCaption "Elwha Dam in 2005".
• Elwha_Dam location Clallam_County,_Washington.
• Elwha_Dam location Washington_(state).
• Elwha_Dam name "Elwha Dam".
• Elwha_Dam opening "1913".
• Elwha_Dam survey "WA-130-A".
• Elwha_Dam title "Elwha River Hydroelectric System, Elwha Hydroelectric Dam & Plant, Port Angeles vicinity, Clallam County, WA".
• Elwha_Dam subject Category:Buildings_and_structures_in_Clallam_County,_Washington.
• Elwha_Dam subject Category:Buildings_and_structures_on_the_National_Register_of_Historic_Places_in_Washington_(state).
• Elwha_Dam subject Category:Dams_completed_in_1913.
• Elwha_Dam subject Category:Dams_in_Washington_(state).
• Elwha_Dam subject Category:Dams_on_the_National_Register_of_Historic_Places.
• Elwha_Dam subject Category:Energy_infrastructure_completed_in_1913.
• Elwha_Dam subject Category:Historic_American_Engineering_Record_in_Washington_(state).
• Elwha_Dam subject Category:Hydroelectric_power_plants_in_Washington_(state).
• Elwha_Dam point "48.095 -123.55638888888889".
• Elwha_Dam type Artifact100021939.
• Elwha_Dam type Barrier102796623.
• Elwha_Dam type Dam103160309.
• Elwha_Dam type DamsInWashington(state).
• Elwha_Dam type DamsOnTheNationalRegisterOfHistoricPlaces.
• Elwha_Dam type Facility103315023.
• Elwha_Dam type HydroelectricPowerPlantsInWashington(state).
• Elwha_Dam type Object100002684.
• Elwha_Dam type Obstruction103839993.
• Elwha_Dam type PhysicalEntity100001930.
• Elwha_Dam type PowerStation103996655.
• Elwha_Dam type Station104306080.
• Elwha_Dam type Structure104341686.
• Elwha_Dam type Whole100003553.
• Elwha_Dam type YagoGeoEntity.
• Elwha_Dam type YagoPermanentlyLocatedEntity.
• Elwha_Dam type ArchitecturalStructure.
• Elwha_Dam type Dam.
• Elwha_Dam type Infrastructure.
• Elwha_Dam type Place.
• Elwha_Dam type Wikidata:Q532.
• Elwha_Dam type Place.
• Elwha_Dam type Location.
• Elwha_Dam type SpatialThing.
• Elwha_Dam comment "The Elwha Dam was a 108-ft (33 m) high dam located in the United States, in the state of Washington, on the Elwha River approximately 4.9 miles (7.9 km) upstream from the mouth of the river on the Strait of Juan de Fuca. The dam was built under the direction of Thomas Aldwell.".
• Elwha_Dam label "Elwha Dam".
• Elwha_Dam sameAs Elwžská_přehrada.
• Elwha_Dam sameAs m.0h1z40.
• Elwha_Dam sameAs 5793708.
• Elwha_Dam sameAs Q5368285.
• Elwha_Dam sameAs Q5368285.
• Elwha_Dam sameAs Elwha_Dam.
• Elwha_Dam lat "48.095".
• Elwha_Dam long "-123.55638888888889".
• Elwha_Dam wasDerivedFrom Elwha_Dam?oldid=605774819.
• Elwha_Dam depiction Elwha_Dam.jpg.
• Elwha_Dam isPrimaryTopicOf Elwha_Dam.
• Elwha_Dam name "Elwha Dam (also known as the lower dam)".