Morganza, Louisiana mammoth work began in 1939 and was completed in 1955. High water of the Mississippi is channeled between guide levees north and west of the town of Morganza and down into the Atchafalaya Basin, thence to the Gulf of Mexico. The floodgates of this facility have been used only twice—during the high water of 1973 and 2011. Morganza is located at (30.735681, -91.593390). According to the United States Census Bureau, the village has a total area of , of which is land and (15.11%) is water. Climate is characterized by relatively high temperatures and evenly distributed precipitation throughout the year.
120th Ohio Infantry May 1. Ordered to join Banks at Alexandria on Red River Expedition May 1. Embarked on steamer "City Belle". Action en route at Snaggy Point May 3. Over 200 men captured. Those who escaped were formed into a battalion of three companies and marched to Alexandria. Retreat from Alexandria to Morganza May 13–20. Mansura or Marksville Prairie May 16. Duty at Morganza until September. Expedition to mouth of White River and St. Charles September 13–20. Expedition to Duvall's Bluff, Ark., October 21–27. The regiment lost a total of 300 men during service; 2 officers and 17 enlisted men killed or