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Work Will Close Locks on Lower Granite Dam by Staff Lewiston Tribune, December 3, 2011

The navigation locks at Lower Granite Dam will be closed from 8 a.m. to 4 p.m. Monday through Wednesday as contractors upgrade an emergency backup diesel generator there.

The work could cause delays of up to an hour for vehicles seeking to cross the top of the dam. Travelers can call (888) 326-4636 for the most current dam-crossing information.