West Atchafalaya Floodway West Atchafalaya Floodway The West Atchafalaya Floodway is a flood control structure of the Mississippi River and Tributaries Project located in the Lower Atchafalaya Basin in south-central Louisiana. It has a project design flood flow capacity of . The Atchafalaya Basin system comprises three floodways. Two of these, the West Atchafalaya Floodway and the Morganza Floodway, are at the northern end. Together with the Atchafalaya River, these floodways are designed to pass flood waters into the third component, the Lower Atchafalaya Basin Floodway, which is in size and is bounded on the north by U.S. Route 190, on the east
Battery A, 1st Missouri Light Artillery on Jackson, Miss., July 5–10. Siege of Jackson July 10–17. Ordered to New Orleans, La., August 6, then to Carrollton, and duty there until October. Western Louisiana Campaign October 3-November 30. Bayou Cortableaux October 21. Carrion Crow Bayou November 3. At New Iberia until December 17. Moved to New Orleans, then to Madisonville January 7, 1864. Red River Campaign May 2–20. Moved to Alexandria, La., May 2. Attached to Army of the West and Department of the Missouri. Retreat to Morganza May 13–20. Expedition from Morganza to the Atchafalaya River May 30-June 6. Moved to Carrollton June. Duty there and