Grand Coulee Dam facts

Published: Sunday, June 4 2006 12:00 a.m. MDT

• The third-largest producer of electricity in the world

• Length: 5,223 feet; height above bedrock: 550 feet

• Spillway width: 1,650 feet

• Total concrete: 11,975,521 cubic yards

• Primary function: hydropower, flood control, irrigation, fish and wildlife, recreation

• One of the modern engineering wonders of the world

• The first water-spill over the dam was on June 1, 1942

• The Grand Coulee Dam's laser system uses four large-frame Coherent Lasers, two 40-watt Krypton (red) and two 40-watt Argon (green and blue) lasers


Source: Bureau of Reclamation

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