Crews start injecting grout into collapsed Hanford tunnel
By Manuel Valdes | Wednesday, October 4, 2017, 9:13 a.m.
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FILE – In this May 9, 2017 file photo, signs are posted by the Hanford Nuclear Reservation in Benton County, in Richland, Wash. The U.S. Department of Energy said Wednesday, Oct. 4, 2017 that workers at Hanford have started injecting