Lock 15 Wall Demolition
Mississippi River Project maintenance crews with the U.S. Army Corps of Engineers, Rock Island District demolish a portion of the lower guidewall at Locks and Dam 15 in Rock Island, Illinois. Removing the concrete will prevent the wall from falling into the river in an uncontrolled manner.

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Photo by: Rock Island District |  VIRIN: 170523-A-VX113-001.JPG