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Tuzigoot National Monument
For Teachers
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Did You Know?
In advance of Lady Bird Johnson's visit to Big Bend in 1966, the International Boundary and Water Commission released water from the Elephant Butte dam in New Mexico to ensure that the flow of the Rio Grande was sufficent to allow the first lady to complete a raft trip through Mariscal Canyon.
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Last Updated: September 29, 2008 at 12:54 EST |