All-American Canal


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All-American Canal,

80 mi (129 km) long, SE Calif.; part of the federal irrigation system of the Hoover DamHoover Dam,
726 ft (221 m) high and 1,244 ft (379 m) long, on the Colorado River between Nev. and Ariz.; one of the world's largest dams. Built between 1931 and 1936 by the U.S.
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. Built between 1934 and 1940 across the Colorado Desert, the canal is entirely within the United States and replaces the Inter-California Canal, which passes through Mexico. The Imperial Dam, NE of Yuma, Ariz., diverts water from the Colorado River into the All-American Canal, which runs W to Calexico, Calif. Smaller canals move water into the Imperial Valley; the Coachella Canal branches NW to the Coachella Valley. This canal system irrigates more than 630,000 acres (254,961 hectares) and has greatly increased crop yield in the area; however, problems of drainage and salinity exist.
References in periodicals archive ?
A move by US authorities in 2006 to resurface about 80 miles (130 km) of the All-American Canal was the source of many conflicts between the two countries.
The controversy centers on a decision by the US government to reinforce with concrete a portion of the 80-mi (130-km) All-American Canal, which carries water from the Colorado River.
The Metropolitan Water District of Southern California and the Southern Nevada Water Authority would line the porous All-American Canal in Imperial County to prevent seepage.
The proceeds of the warrants will be used to provide funds to undertake various capital improvements for which the District is responsible, including in particular the District's obligations in connection with the lining of the All-American Canal located within the District.
The controversy centers on a decision by the US government to reinforce a portion of the 80-mi (130-km) All-American Canal, constructed in 1928 to supply water from the Colorado River to irrigate about 700 sq mi (1,813 sq km) of crops in California's Imperial Valley.
In addition, Metropolitan will receive nearly 78,000 acre-feet of water conserved through the concrete lining of the All-American Canal in Imperial Valley.
1 million to conserve 93,700 acre feet of water lost annually due to seepage in the Coachella and All-American canals in Southern California.