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Grand Coulee
(ko̵̅o̅′lē)
dam on the Columbia River, NE Wash.: 550 ft (167 m) high; over 4,000 ft (1,220 m) long
See Grand Coulee in American Heritage Dictionary 4
A gorge, about 48 km (30 mi) long, of north-central Washington, carved by the Columbia River. It is fed by water from the Grand Coulee Dam (built 1933-1942).
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