LOS ANGELES AQUEDUCT - UNITED STATES
There are two Los Angeles Aqueducts . The first Los Angeles Aqueduct was designed by William Mulholland and completed in 1913 to deliver water from the Owens River to the city of Los Angeles, California. It consisted of 223 miles of 12-foot steel pipe, 120 miles of railroad track, 2 hydroelectric plants, 170 miles of power lines, 240 miles of telephone line, a cement plant, and 500 miles of roads. The second Los Angeles Aqueduct was completed in 1970. It carries water 137 miles and consists of 64 miles concrete conduit, 69 miles steel pipeline.