This report provides a realistic assessment of the contributions made by the Great Lakes-Seaway system to the state, provincial, regional and national economies. This analysis estimates the combined U.S. and Canadian economic impacts of all marine cargo moving on the bi-national Great Lakes-Seaway system, including domestic cargo moving between U.S. ports; domestic cargo moving between Canadian ports; cross-lake cargo moving between the U.S. and Canada; and international cargo moving between system ports and overseas ports.
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