Morganza Spillway to add height to the permanent levee by building a supplemental sandbag levee on top of it. However, additional rainfall raised the flood crest higher than even the supplemental sandbags, sending floodwaters over these levees into of cropland located within the floodway. The 2011 Mississippi River floods began to become serious in April. In response, the Corps first analyzed the flooding, and then opened the spillway in a controlled manner. The Corps studied four flooding scenarios, all of which assumed the Bonnet Carré Spillway would be concurrently operating at full capacity (100%). Following this analysis, which showed that extensive flooding
114th New York Volunteer Infantry Algiers, then to Berwick September 17. Western Louisiana Campaign October 3-November 30. At New Iberia November 17, 1863 to January 8, 1864. Moved to Franklin January 8-10, and duty there until March 15. Red River Campaign March 15-May 22. Advance from Franklin to Alexandria April 15-26. Battle of Sabine Cross Roads April 8. Pleasant Hill April 9. Monett's Ferry or Cane River Crossing April 23. Construction of dam at Alexandria April 30-May 10. Retreat to Morganza May 13-22. Mansura May 16. At Morganza until July 1. Moved to Fort Monroe, Va., then to Washington, D.C., July 1-12. Repulse of Early's