Morganza, Louisiana 1864 of Federal troops in Morganza under General Nathaniel P. Banks, recently defeated in the Battle of Mansfield in DeSoto Parish and abandoning the Red River Campaign. According to Winters, Located at the lower end of a sharp bend of the Mississippi River, Morganza has been subjected to flooding by the great river a number of times. Levee breaches or "crevasses" occurred at Morganza and Grand Levee just downriver in 1850, 1865, 1867, and 1890. The Morganza Spillway, a major flood diversion project of the U.S. Army Corps of Engineers, is located immediately north of the town. Construction on this
2011 Mississippi River floods to open more gates on the spillway, the Corps studied four flooding scenarios, all of which assumed the Bonnet Carré Spillway near New Orleans would be concurrently operating at full capacity (100%). Following this analysis, which showed that extensive flooding was expected in the Atchafalaya Basin regardless of the choice made regarding the Morganza Spillway, the Corps decided to start the 2011 diversion by opening the spillway a bit less than described in scenario 1a (21%, not 25%) The Corps of Engineers subsequently released a map showing the estimated times it would take the flood waters to reach the various