Trends in waterborne commerce of the United States
By: Howard E. Olson
Contributors: U.S. Army Engineer Institute for Water Resources
Series: Staff paper NWS -- 79-S2
Publisher: National Waterways Study, U.S. Army Engineer Water Resources Support Center, Institute for Water Resources; For sale by the Supt. of Docs., U.S. G.P.O.
Published: 1980
Place of publication: [Fort Belvoir, Va.]; Washington, D.C
Language: eng
Number of pages: 31
Subjects: Shipping -- United States; United States -- Commerce
Notes: "June 1980."

Includes bibliographical references