United States Essential Foreign Trade Routes – U.S. Atlantic and Gulf Ports and India, Persian Gulf, and Red Sea
Shows Major Trade Routes (and Seaports) between U.S. Atlantic and Gulf Ports and India, Persian Gulf, and Red Sea. Imprint: Prepared by Division of Management Office of Budget and Management.
Essential United States Foreign Trade Routes (p. 35)
U.S. Department of Commerce, Maritime Administration, 1963.