U.S. life lines
Subtitle: imports of essential materials--1967, 1969, 1971, and the impact of waterborne commerce on the nation. Prepared by the Special Assistant to the Chief of Naval Operations for Presentations, Office of the Chief of Naval Operations, Department of the Navy
Edition: (Rev.).
Series: OpNav-09D-P1 (Revised); OpNav-09D-P1 (Revised)
Publisher: The Office
Published: 1974
Place of publication: Washington
Language: eng
Number of pages: 84
Subjects: Raw materials; Commerce; Shipping; Strategic materials
Other titles: Life lines
Notes: Includes bibliographical references.