Grand Coulee Dam

Grand Coulee Dam Grand Coulee Dam is one of the most famous gravity dams in Washington. It is a high concrete dam situated on the Columbia River and is considered as one of the largest dams in the world. This…
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Grand Coulee Dam Grand Coulee Dam is one of the most famous gravity dams in Washington. It is a high concrete dam situated on the Columbia River and is considered as one of the largest dams in the world. This…
Read more