U.S. life lines
Subtitle: imports of essential materials--1967, 1969, 1971, and the impact of waterborne commerce on the nation
By: prepared by the Special Assistant to the Chief of Naval Operations for Presentations.
Edition: Rev.
Publisher: Office of the Chief of Naval Operations, Dept. of the Navy
Published: 1975
Place of publication: Washington
Language: eng
Number of pages: 84
Subjects: Raw materials -- United States.; Shipping -- United States.; Imports -- United States.; United States -- Commerce.
Notes: Includes bibliographical references.
"OpNav-09D-P1."