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Brochures

The Great Lakes St. Lawrence Seaway System
Saint Lawrence Seaway Development Corporation (January 2015)
Brochure (pdf)

Studies & Reports

Economic Impacts Study

Martin Associates (July 2018)
Full Report (pdf)
Executive Summary (pdf)

Martin Associates (October 2011)
Full Report (pdf)
Executive Summary (pdf)

Latest News

Waiver obtained to allow soybean shipments from Port of Oswego to continue

Port of Duluth-Superior seeing record-breaking year

Gary Peters secures Senate approval for $9M Great Lakes funding increase

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