Source: St. Lawrence Seaway Authority.

Construction of the Ste. Catherine Lock, 1958

The construction of locks was a difficult undertaking as in several places the rock foundation proved to be harder than expected.

Copyright © 1998-2008, Dr. Jean-Paul Rodrigue, Dept. of Economics & Geography, Hofstra University. For personal or classroom use ONLY. This material (including graphics) is not public domain and cannot be published, in whole or in part, in ANY form (printed or electronic) and on any media without consent. Permission MUST be requested prior to use.