Title Work Title No: 19222 Medium: Moving Image Date: 1977 (Release) Original Summary: "This film describes the benefits to man and to the environment resulting from work on the Mississippi River valley is usable because of flood protection works and how the nation's biggest river serves as a major artery for waterborne commerce." - Summary from Worldcat. "Describes the role of locks, dams and levees in flood control. Shows how the U.S. Army Corps of Engineers maintains the immense Mississippi River System. A good portion is devoted to the St. Louis area." - Summary from the Audiovisual Materials Catalog 2002-2007. Countries of Origin: U.S.A. Genres: Educational
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