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The Los Angeles Basin is a sedimentary basin located in Southern California, in a region known as the Peninsular Ranges. The basin is also connected to an anomalous group of east-west trending chains of mountains collectively known as the Transverse Ranges. The present basin is a coastal lowland area, whose floor is marked by elongate low ...
Los Angeles averages only 14.7 inches (373 mm) of precipitation per year, and this is lower at the coast and higher in the mountains and foothill cities. [24] Snow is extremely rare in the Greater Los Angeles area and basin, but the nearby San Gabriel Mountains and San Bernardino Mountains typically receive a heavy amount of snow every winter ...
The Los Angeles River (Spanish: Río de Los Ángeles), historically known as Paayme Paxaayt'West River' by the Tongva and the Río Porciúncula'Porciúncula River' by the Spanish, is a major river in Los Angeles County, California. Its headwaters are in the Simi Hills and Santa Susana Mountains, and it flows nearly 51 miles (82 km) from Canoga ...
The aqueduct project began in 1905 when the voters of Los Angeles approved a US$1.5 million bond for the 'purchase of lands and water and the inauguration of work on the aqueduct'. On June 12, 1907, a second bond was passed with a budget of US$24.5 million to fund construction. [ 13 ][ 14 ] Construction began in 1908 and was divided into eleven ...
The San Fernando Valley, [1] known locally as the Valley, [2][3] is an urbanized valley in Los Angeles County, California. Situated northwards of the Los Angeles Basin, it comprises a large portion of Los Angeles, the incorporated cities of Burbank, Calabasas, Glendale, Hidden Hills and San Fernando, plus several unincorporated areas. [4]
The Sepulveda Dam is a dry dam constructed by the U.S. Army Corps of Engineers to withhold winter flood waters along the Los Angeles River.Completed in 1941, at a cost of $6,650,561 (equivalent to $137,766,000 in 2023), it is located south of center in the San Fernando Valley, approximately eight miles (13 km) east of the river's source in the western end of the Valley, in Los Angeles, California.
The history of Los Angelesbegan in 1781 when 44 settlers from central New Spain(modern Mexico) established a permanent settlement in what is now Downtown Los Angeles, as instructed by Spanish Governor of Las Californias, Felipe de Neve, and authorized by Viceroy Antonio María de Bucareli.
The flood was caused by two Pacific storms that swept across the Los Angeles Basin in February-March 1938 and generated almost one year's worth of precipitation in just a few days. Between 113–115 people were killed by the flooding. [ 1 ] The Los Angeles, San Gabriel, and Santa Ana Rivers burst their banks, inundating much of the coastal ...