Temporary gate at Lock and Dam 5A,
Crew members from St. Paul and Rock Islands districts install a temporary gate at Lock and Dam 5A, near Minnesota City, Minn., May 23, 2013. Since 2009, delays and interruptions have more than doubled on the nation's inland waterway locks and dams.

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Photo by: USACE |  VIRIN: 140701-A-CE999-151.JPG