Published by U.S. Army Engineer District, Baltimore, MD, 1974
Paperback. Condition: G/NO DUSTJACKET. Black & White Illustrations plus maps (illustrator). Baltimore, MD: U.S. Army Engineer District. G/NO DUSTJACKET. 1974. Paperback. Prepared by Gannett Fleming Corddry and Carpenter, Engineers of Harrisburg, PA . Sm 4to., Massive report with many maps and diagrams .