Changing shipping patterns on the St. Lawrence Seaway
Subtitle: with emphasis on United States grain exports
By: [prepared under the direction of Nicholas M. Thuroczy]
Series: Marketing research report -- no. 621
Publisher: U.S. Dept. of Agriculture
Published: 1963
Place of publication: Washington, D.C
Language: eng
Number of pages: 25
Subjects: Grain; Transportation
Other titles: Changing shipping patterns on the Saint Lawrence Seaway.
Notes: Cover title.