Physical description for original version: 116 p. : 28 cm
書誌注記
Bibliography: p. 113-116
原資料等に関する注記
原資料の出版事項: [Fort Belvoir, Va.?] ; [Washington, D.C. : National Waterways Study, U.S. Army Engineer Water Resources Support Center, Institute for Water Resources : Supt. of Docs., U.S. G.P.O., distributor], 1983