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An illustration from a Columbia Basin Hydropower Powerpoint presentation shows the path of proposed pipes under the city of Grand Coulee, incorporating a new underground power plant with a 500-megawatt capacity. The 35-foot diameter penstocks would be 300 feet underground.
P.O. Box 150Grand Coulee, WA 99133Ph: (509) 633-1350 or Toll-free: (888) email@example.com
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