Total cargo shipments via the St. Lawrence Seaway from March 29 to Sept. 30 reached 25.7 million metric tons, up 4.1 percent over the same time period in 2017.
Read MoreTotal cargo shipments via the St. Lawrence Seaway from March 29 to Sept. 30 reached 25.7 million metric tons, up 4.1 percent over the same time period in 2017.
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