Credit via Flickr/TeamSaintLouis (Army Corps of Engineers)
"As the river levels drop river depth decreases and the river banks recede. As a result the fleeting areas (areas where barges are picked up and dropped off) move closer to the channel. This makes for tight quarters while vessels navigate the river."
Updated 2:10 p.m. with information about excavation and blasting.
Updated at 4:45 p.m. to include comments from Jody Farhat of the Corps of Engineers.
The amount of water flowing into the lower Missouri River will be increased this week because of concerns about colder temperatures, but the increase isn't likely to boost the level of the Mississippi River downstream.