Carte topographique Keystone Lake
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À propos de cette carte
Nom : Carte topographique Keystone Lake, altitude, relief.
Altitude moyenne : 241 m
Altitude minimum : 218 m
Altitude maximum : 292 m
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 754.0 feet (229.8 m)) is 565,000 cubic feet per second (16,000 m3/s). The spillway also has nine sluices, each 5.67 by 10 feet (1.73 by 3.05 m).