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Regional Dams to Close March 6 by Staff Tri-City Herald, February 25, 2012

The Army Corps of Engineers will close navigation locks at dams on the Columbia and Snake rivers in March to conduct annual inspections, repairs and maintenance.

All Walla Walla District navigation locks will close to recreational and commercial river traffic at 6 a.m. March 6.

McNary Dam's navigation lock along the Columbia River is scheduled to reopen at 6 p.m. March 20. On the Snake River, Ice Harbor, Lower Monumental, Little Goose and Lower Granite navigation locks are expected to reopen at 6 p.m. March 27.

Lower Monumental locks will be closed to all river traffic between 6 a.m. and 6 p.m. Feb. 27 and March 2.

Lower Monumental Lock and Dam will be closed to cross-dam public vehicle traffic Feb. 20 through April 1 to avoid risk to public safety.