St. Lawrence Seaway masters' handbook.
Subtitle: Issued by the St. Lawrence Seaway Authority and the Saint Lawrence Seaway Development Corporation.  3d issue.
Contributors: Saint Lawrence Seaway Development Corporation.
Publisher: Printed by the Queen's Printer
Published: 1961
Place of publication: Ottawa
Language: eng
Subjects: Saint Lawrence Seaway -- Navigation -- Law and legislation; Saint Lawrence Seaway -- Rates and tolls