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Lake Berryessa's 'Glory Hole' returns for the first time in years, drawing visitorsA circular drain at Lake Berryessa in Napa County, known as the Morning Glory Spillway, has been active, drawing spectators ...
The spillway activates at 10.5-feet above full pool, Chandler said Feb. 19. When the first bucket fills, it tips, which is what happened midmorning Sept. 27. "Approximately 30 inches of rainfall ...
More than a mile long, the Grand Coulee Dam is the largest concrete structure in the U.S. In the fall of 2011, dam operators agreed to open the spillway just for American Experience. "It was very ...
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