Year: 2011
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Mayfield: Cowlitz River, WA
Located 65 miles south of Tacoma, Washington, Mayfield Dam is part of the two-dam Cowlitz Hydroelectric Project. Construction began in 1955 and power generation began in 1963.
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Lower Monumental: Snake River, WA
Lower Monumental Lock and Dam is a hydroelectric, concrete, run-of-the-river dam on the Snake River, and bridges Franklin County and Walla Walla County, in the state of Washington.[3] The dam is located six miles (10 km) south of the town of Kahlotus, and 43 miles (69 km) north of the town of Walla Walla.
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Lower Granite: Snake River, WA
Lower Granite Lock and Dam is a concrete gravity run-of-the-river dam on the Snake River, and bridges Whitman County and Garfield County, in the U.S. state of Washington.[4] The dam is located 22 miles (35 km) south of the town of Colfax, and 35 miles (56 km) north of Pomeroy.
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Little Goose: Snake River, WA
Little Goose Lock and Dam is a hydroelectric, concrete, run-of-the-river dam in Columbia and Whitman counties in the state of Washington, on the Snake River.[2] The dam is located 9 miles (14 km) northeast of the town of Starbuck, and 25 miles (40 km) north of Dayton.
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LaGrande: Nisqually River, WA
The LaGrande Dam is part of the Nisqually Hydroelectric Project on the Nisqually River. LaGrande Dam is downstream from Alder Dam and is located 36 miles southeast of Tacoma, Washington.
