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Osage County topographic maps
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Keystone Lake
United States > Oklahoma > Osage County > Westport
The spillway is a gated ogee weir, 720 feet (220 m) wide with eighteen tainter gates, each 40 by 35 feet (12 by 11 m). Spillway capacity at the maximum pool level (elevation 766.0 feet (233.5 m)) is 939,000 cubic feet per second (26,600 m3/s). Capacity at the top of the flood control pool level (elevation…
Average elevation: 241 m
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