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Data Profile: Saint Lawrence Seaway Tonnage Information
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Saint Lawrence Seaway Tonnage Information
The Great Lakes Saint Lawrence Seaway System collects annual maritime shipping data for two passages of the Saint Lawrence Seaway-the Lower Saint Lawrence River and the Welland Canal (which connects Lakes Erie and Ontario). Cargo tonnage is available for the following commodities: iron ore, coal, grain, and other cargo.

Available data series include 1) tonnage per year by commodity and 2) tonnage through the Lower Saint Lawrence River and the Welland Canal.

Visit Saint Lawrence Seaway Tonnage.
Data cover the Lower Saint Lawrence River and the Welland Canal.
First Year1998
Last Year2010
   Summary Tables
   National Transportation Statistics
U.S. Waterborne Freight
   Related Links
Maritime Administration Statistics
U.S. Army Corps of Engineers Navigation Data Center
   Data Source and Contacts
Data Provider AgencyGreat Lakes St. Lawrence Seaway System
Data Provider OfficeTonnage Information
BTS ContactTranStats Customer Support
Phone:(800) 853-1351