Title from cover.
After 1979 some reports appearing in v. 2 were issued separately by variously divisions and districts of the United States. Army. Corps. of Engineers including: United States. Army. Corps of Engineers. Lower Mississippi Division. Annual report ofthe chief of engineers on civil works activities. Extract reports of the Lower Mississippi Valley Division & Mississippi River Commission, United States. Army. Corps. of Engineers. Baltimore District. Annual report of the chief of engineers on civil works activities. Extract reports of the Baltimore, MD District, and United States. Army. Corps. of Engineers. Philadelphia District. Annual report of the chief of engineers on civil worksa activities. Extract report of the Lower Mississippi Valley Division & Mississippi River Commission.