Photos: Mississippi River floodwaters move south
Mississippi River Flooding
Credit: AP
The Old River Control Structure, which allows water from the Mississippi River to enter the Morganza Spillway and Atchafalaya Basin, is seen from the air in Morganza, La., Monday, May 9, 2011. The Army Corps of Engineers has asked the Mississippi River Commission for permission to open the Morganza Spillway north of Baton Rouge to help alleviate pressure on river levees. It hasn't been opened since 1973. (AP Photo/Patrick Semansky)
