Nine hundred forty feet of the boom being placed around the capsized vessel W.B. Wood to contain its fuel discharge on the Mississippi River near Meraux, Louisiana on Jan. 16, 2023.  (U.S. Coast Guard photo by Sector New Orleans) NEW ORLEANS — The Coast Guard is overseeing a pollution response after a dredging vessel capsized in the Mississippi River in the vicinity of mile marker (MM) 85 near Meraux,...