A map shared on X, TikTok, Facebook and Threads, among other platforms, in August 2024 claimed to show the Mississippi River and its tributaries. One popular example was shared to X (archived) on ...

At 2,350 miles long, the Mississippi is the second-longest river in North America, behind its biggest tributary, the Missouri River, which is 100 miles longer, according to the National Park Service.

Map of low oxygen levels during a July 20-21, 2011, cruise east of the Mississippi River, with hypoxia, levels between zero and 2 parts per million in bottom water, in red, outlined by the black line.

A ship passes the West Bay diversion project five miles above Head of Passes in 2007. This summer, the corps plans to pipe sediment from a dredge through the diversion opening to build a 3-foot ...