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The Grand Coulee Dam June 2009
The Grand Coulee Dam June 2009
The Grand Coulee Dam was built in 1933 and finished in 1941. "The turbines in the Grand Coulee's three powerhouses generate more electricity than a million locomotives could produce. The mighty Columbia River basin provided a challenging environment in which to build the world's largest dam."
Elizabeth Riggin
on Jun 5, 2009 7:07 pm
