At head of title: War Dept., Corps. of Engineers, United States Army and United States Maritime Commission.
"Revised 1940"--t.p.
"Information covering [the port of] Wilmington, N.C., included in the previous edition of this report, is now published in Port Series No. 33."--p. ix, Introduction.
"June 4, 1940 ... The Chief of Engineers, United States Army."--p. vii.