Bayous Terrebonne, Petit Caillou, Grand Caillou, Du Large, and connecting channels, Louisiana and Atchafalaya River, Morgan City to Gulf of Mexico, letter from chief of engineers, Army, submitting report, on survey of Bayous Terrebonne, Petit Caillou, Grand Caillou, Du Large, and connecting channels, Louisiana, and Atchafalaya River, Morgan City to Gulf of Mexico; Sept. 25, 1962.