"This dam is a danger to society! One of the spillways is clogged with trees and other floating debris, so the dam isn't releasing as much water as it should. The reservoir is becoming dangerously ...
The second deadliest dam failure in U.S. history happened suddenly. The St. Francis Dam was a 205-ft-high concrete gravity arch dam located in San Francisquito Canyon, 30 miles north of Los Angeles.
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