Marine approaches to U.S. ports :
a flexible and obstruction-free system is needed : report to the Congress /
by the Comptroller General of the United States.
|Corporate Author:||United States.|
Washington : General Accounting Office, 1978.
Oil well drilling, Submarine
Shipping > Shipping / Atlantic Ocean.
ii, 11 p. ;
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|Item Link||Original Source|
|Full view||University of Illinois at Urbana-Champaign|