When measuring the volume of a lake, scientists set a maximum level—or full pool elevation—that it can maintain without releasing over a weir, spillway, dam, or some other structure. At full pool, ...
The improvements to the dam, built in 1902 by the Pennsylvania Railroad, renovated in 1946 and acquired by the city in 1981, will include a new zig-zag or “labyrinth weir” spillway ...
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