Presonally, I'm expecting a new lake, fed and drained by the Mississippi, named Lake Oh Shi...
Pardon my ignorance, but wouldn’t it be safer to simply bleed the levies along both sides of the Mississippi, Missouri and Ohio rivers? Some large pipes installed at five kilometer intervals near the top and slanting down the slope could do the job. I’m no engineer, but that’s really the first thought that occurred to me, after seeing that this wasn’t another crazed Mennonite caught by Homeland Security.