出典:Wikipedia
出典:『Wikipedia』 (2011/05/31 09:00 UTC 版)
Lake Mead is the largest reservoir in the United States. It is located on the Colorado River about 30 mi (48 km) southeast of Las Vegas, Nevada, in the states of Nevada and Arizona. Formed by water impounded by the Hoover Dam, it extends 112 miles (180 km) behind the dam, holding approximately 28,500,000 acre feet (35.2 km3) of water.