Distances between United States ports.

APA Citation

United States. National Ocean Service. (1993). Distances between United States ports. 1993 (8th) ed. Washington, D.C.: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service.

MLA Citation

United States. National Ocean Service. Distances Between United States Ports. 1993 (8th) ed. Washington, D.C.: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, 1993.