Marine approaches to U.S. ports
Subtitle: a flexible and obstruction-free system is needed : report to the Congress
By: by the Comptroller General of the United States.
Publisher: General Accounting Office
Published: 1978
Place of publication: Washington
Language: eng
Format: Microform
Number of pages: 11
Subjects: United States. -- Coast Guard; Trade routes; Shipping -- Atlantic Ocean; Offshore oil well drilling
Notes: Cover title.

"CED-78-107."

"May 2, 1978."

"B-118678"--Prelim. p.

Also available via the World Wide Web.

Microfiche. Springfield, Va. : National Technical Information Service, 1978. 1 microfiche : negative.