Economic aspects of the Great Lakes-St. Lawrence ship channel
By: by Roy S. MacElwee [and] Alfred H. Ritter.
Contributors: Ritter, Alfred H. b. 1877, joint author.
Publisher: Ronald Press
Published: 1921
Place of publication: New York
Language: eng
Number of pages: 291
Subjects: Transportation -- United States; Canals -- United States; Canals -- Canada; Great Lakes -- Commerce; Saint Lawrence River