Mead, Lake, 247 sq mi (640 sq km), on the Nev.-Ariz. border, formed by Hoover Dam across the Colorado River. The lake is 115 mi (185 km) long, from 1 to 8 mi (1.6–12.9 km) wide, and 589 ft (180 m) at its maximum depth; it has one of the largest-capacity reservoirs in the United States. Lake Mead, with its 550 mi (885 km) shoreline, is the focal point of Lake Mead National Recreation Area. See National Parks and Monuments (table).
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