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Canyon Dam (Texas)
The Canyon Dam in Texas is a rolled-earth dam on the Guadalupe River in the Hill Country. The water impounded by the dam forms Canyon Lake.
==Geography==
The dam is located 36 miles (58 km) northeast of San Antonio and 38 miles (61 km) southwest of Austin.
The dam is 6,830 feet (2,082 m) long, across a narrow section of the Guadalupe River valley. The top of the dam is 974 feet (297 m) above sea level, or 224 feet (68 m) above the riverbed. A spillway, located south of the dam, protects the dam by releasing water when the lake level rises to 943 feet (287 m) above sea level.
The dam is located near the Balcones Escarpment. The rocky canyons to the west of the escarpment can carry more water than the riverbeds of the plains to the east; this has caused problems with flash flooding in cities and towns east of the escarpment.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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