Great Lakes shipping
Subtitle: U.S.-flag share of the U.S./Canada trade on the Great Lakes : report to Congressional requesters
Publisher: U.S. General Accounting Office
Published: 1986
Place of publication: Washington, D.C
Language: eng
Number of pages: 55
Subjects: Shipping; Commerce
Notes: Cover title.

"May 1986."

"GAO/RCED-86-115."

Includes bibliographical references.