Grist offers this interactive look at various Army Corps of Engineers projects along the Mississippi River, part of its series on the Corp and the River.
"This spring, we take a look at what the nation's legendarily industrious, controversial, and misunderstood agency is up to along the Mississippi River -- and what its presence there has meant for both residents and natural resources over the last 200 years."
"How well is the Army Corps spending your tax dollars? Do the locks and levees the corps builds help or harm the river? Do the agency's plans for flood- and hurricane-prone areas leave low-income residents with nowhere to go? And why was the Corps created in the first place?"
"The Mississippi Valley Division of the U.S. Army Corps of Engineers is responsible for maintaining the Mississippi as a useful and navigable waterway. But some of the Corps' projects have critics crying 'pork.'"