Directory of United States Government Periodicals and Subscription Publications: February 1973
Publication month:
11
Publication frequency:
[Weekly. Prepared jointly with National Ocean Survey and U.S. Coast Guard. Issued with perforations. Prior to no. 27, dated July 1, 1972, issued by Naval Oceanographic Office and classified D 203.8 (date/nos.).]
Printer:
(Defense Mapping Agency Hydrographic Center, Defense Department.)