"If there are deltas the size of the one at the mouth of the Mississippi River, we should be able to see it," Birch ... Birch ...

The Mississippi River is considered the most endangered in the U.S. due to uncertainty over the Federal Emergency Management ...

The MARB drains more than 40% of the continental United States. A droplet of water travels 2,350 miles from the Riverhead to the Mississippi River Delta, which takes 90 days.