Grand Coulee Dam Laser Light Show

Grand Coulee Dam

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Grand Coulee Dam, Bureau of Reclamation - Managing water and power in the West

问:

Why did they pick this spot on this river, and this area, to build the dam?

答:

There are a couple of reasons this particular site was chosen for the dam. First, this is a narrow part of the Columbia River. Second, the bedrock...

答:

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