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Le barrage Grand Coulee, sur la rivière Columbia, Washington State, USA. Vu du côté ouest Photo Stock - Alamy
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Associated Press investigation finds WA has 50 dams in 'poor' condition that need repairs | KNKX Public Radio
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Washington state aims to regulate water temperature at federal dams, wading into controversy | The Seattle Times
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Physical map of the state of Washington, showing rivers, Stock Photo, Photo et Image Droits gérés. Photo UIG-926-09-WASHIN004M4 | agefotostock
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