The Army Corps of Engineers will begin to construct an underwater sill across the bed of the Mississippi River to help prevent upriver progression of saltwater from the Gulf. According to the Army ...

The Army Corps is again building an underwater sill in the Mississippi River to block saltwater from moving upriver — a ...

N EW ORLEANS (WVUE) - The U.S. Army Corps of Engineers says it will construct an underwater sill across the Mississippi River to stop saltwater from going upriver. It will be constructed near Myrtle ...

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