The Bonneville Dam navigation lock will return to service at 10 a.m. Sept. 30, according to the Portland District of the U.S. Army Corps of Engineers.

A sill on the lock was found to be cracked, causing it to leak as barges and other vessels transited the dam. The Corps shut down the lock, blocking all river traffic.

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The Associated Press contributed to this story.

Field Reporter, Spokane

I have been covering wheat and other topics for Capital Press since 2008. Recent stories include radicchio, emus, aphids and a Q&A with Washington Gov. Jay Inslee. If you have a news tip, please contact me at 509-688-9923 or mweaver@capitalpress.com

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