Dredges move mountains of sand to keep river open
The Dredge Potter, one of the Corps' dustpan dredges, removes sediment from the mainstem Mississippi River channel to keep commercial navigation flowing during extreme low-water conditions between St. Louis, Mo., and Cairo, Ill. (Photo by the St. Louis District.)

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Photo by: CE999 |  VIRIN: 130118-A-CE999-036.JPG