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2022 Edition Coming Soon
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Great Lakes St. Lawrence Seaway System Directory

The Great Lakes St. Lawrence Seaway System Directory is used daily throughout the system and world-wide for information about ports, carriers, shipping-related businesses and more.

The St. Lawrence Seaway Management Corporation in Canada and the Great Lakes St. Lawrence Seaway Development Corporation in the U.S. are working closely with Harbor House Publishers to produce the Great Lakes St. Lawrence Seaway System Directory, a dynamic and comprehensive publication used throughout the region and worldwide.

  • Print + Digital experience
  • More than 52,000 digital views per edition
  • 1,000 print copies distributed

The Directory Features:

  • An overview of the Great Lakes St. Lawrence Seaway System, identifying its physical characteristics, the commodities it handles and its role in the North American economy.
  • Coverage of new technologies, efficiencies, quality assurances and customer service initiatives.
  • Presentation of the Great Lakes St. Lawrence System as a unified system, known as Highway H2O.
  • Comprehensive profiles of all major Canadian and U.S. ports in the system.

Questions about the System Directory?