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Lock Work to Halt River Shipping by Vicki Hillhouse Walla Walla Union-Bulletin, July 28, 2010

WALLA WALLA -- The floating freight system that carries millions of dollars in grain and steel out of Walla Walla each year will be shut down for three months in a massive overhaul of the Columbia-Snake River navigation system.

The U.S. Army Corps of Engineers plans to shut down the river to transportation as part of a 13-week, $13.2 million replacement of the Lower Monumental Dam navigation lock.

The closure is part of a larger $46 million repair of the navigation system that stretches from Vancouver, Wash., to Lewiston, Idaho -- a major conduit in the Pacific Northwest transportation network.