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- Littlerock_Dam length "0.1755648".
- Littlerock_Dam abstract "Littlerock Dam is a concrete gravity dam on Little Rock Creek in Los Angeles County, California, located about 5 mi (8.0 km) south of Palmdale. The dam and Little Rock Reservoir are owned by the Palmdale Water District and Littlerock Creek Irrigation District, and are used for agricultural and municipal water supply and flood control.The dam is 124 ft (38 m) high from foundation to crest and spans 576 ft (176 m) across the canyon, forming a reservoir with a capacity of 3,700 acre·ft (4,600,000 m3). The reservoir has a surface area of 108 acres (44 ha) and receives water from a drainage area of 63.7 sq mi (165 km2) on the north slope of the San Gabriel Mountains. A popular recreation spot, the dam, reservoir and vicinity receive about 300,000 visitors each year.Designed by John S. Eastwood, a noted engineer of several dams in the western U.S., Littlerock was originally built in 1924 by the Palmdale Irrigation District (now Palmdale Water District) to provide a water supply for orchards in the area. With a height of 112 ft (34 m) and holding 2,400 acre·ft (3,000,000 m3) of water, it was the tallest multiple-arch reinforced concrete dam in the world at the time. The dam's design combined with its record height was highly controversial; the state mandated renovations in 1932, in which concrete buttresses were added to the dam face. In 1938, the dam nearly failed as a result of historic flooding, which led to the evacuation of hundreds of people in downstream towns. The dam was renovated again in 1966 to comply with increasing safety standards and regional urban development. In the 1970s, it was listed on the National Register of Historic Places (NRHP).In 1994, the last major renovation of the dam was completed, which involved strengthening both faces with roller-compacted concrete, hiding the original multiple arch design forever and transforming it to resemble a conventional gravity dam. The design changes resulted in the dam being taken off the NRHP. The dam was also raised 12 ft (3.7 m) and a new spillway added, increasing the reservoir capacity to its current 3,700 acre·ft (4,600,000 m3).".
- Littlerock_Dam description "Concrete gravity".
- Littlerock_Dam height "37.7952".
- Littlerock_Dam length "175.5648".
- Littlerock_Dam location California.
- Littlerock_Dam location United_States.
- Littlerock_Dam openingYear "1924".
- Littlerock_Dam wikiPageExternalLink www.littlerockdam.org.
- Littlerock_Dam wikiPageID "38788654".
- Littlerock_Dam wikiPageRevisionID "595100738".
- Littlerock_Dam coordinatesDisplay "inline,title".
- Littlerock_Dam coordinatesType "type:landmark".
- Littlerock_Dam damCrosses "Little Rock Creek".
- Littlerock_Dam damType "Concrete gravity".
- Littlerock_Dam hasPhotoCollection Littlerock_Dam.
- Littlerock_Dam latD "34".
- Littlerock_Dam latM "29".
- Littlerock_Dam latNs "N".
- Littlerock_Dam latS "9".
- Littlerock_Dam location California.
- Littlerock_Dam location United_States.
- Littlerock_Dam locationMap "California".
- Littlerock_Dam locationMapCaption "Location of the dam in California".
- Littlerock_Dam longD "118".
- Littlerock_Dam longEw "W".
- Littlerock_Dam longM "1".
- Littlerock_Dam longS "19".
- Littlerock_Dam name "Littlerock Dam".
- Littlerock_Dam opening "1924".
- Littlerock_Dam owner "Littlerock Creek Irrigation District".
- Littlerock_Dam owner "Palmdale Water District".
- Littlerock_Dam resName "Little Rock Reservoir".
- Littlerock_Dam subject Category:Dams_completed_in_1924.
- Littlerock_Dam subject Category:Dams_in_California.
- Littlerock_Dam subject Category:Gravity_dams.
- Littlerock_Dam subject Category:Multiple-arch_dams.
- Littlerock_Dam point "34.48583333333333 -118.02194444444444".
- Littlerock_Dam type ArchitecturalStructure.
- Littlerock_Dam type Dam.
- Littlerock_Dam type Infrastructure.
- Littlerock_Dam type Place.
- Littlerock_Dam type Wikidata:Q532.
- Littlerock_Dam type Place.
- Littlerock_Dam type Location.
- Littlerock_Dam type _Feature.
- Littlerock_Dam comment "Littlerock Dam is a concrete gravity dam on Little Rock Creek in Los Angeles County, California, located about 5 mi (8.0 km) south of Palmdale.".
- Littlerock_Dam label "Littlerock Dam".
- Littlerock_Dam sameAs m.0rphjn0.
- Littlerock_Dam sameAs Q14683143.
- Littlerock_Dam sameAs Q14683143.
- Littlerock_Dam lat "34.48583333333333".
- Littlerock_Dam long "-118.02194444444444".
- Littlerock_Dam wasDerivedFrom Littlerock_Dam?oldid=595100738.
- Littlerock_Dam isPrimaryTopicOf Littlerock_Dam.
- Littlerock_Dam name "Littlerock Dam".