USCGC Mackinaw Operation Spring Restore

The crew of Coast Guard Cutter Mackinaw work pier side in the snow, April 23, 2013, in St. Ignace, Mich., as part of Operation Spring Restore.

Spring Restore is an annual mission to verify and replace 1,281 aids to navigation throughout the Great Lakes region.

U.S. Coast Guard Photo by Lt. Dave Lieberman

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