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Abstract
total tonnage and tonnage by traffic type in short tons of 2000 pounds of commodites carried on commercial waterways where the origin and destination of the cargo movement was a location in the contigous 48 states alaska hawaii puerto rico and the u s
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total tonnage and tonnage by traffic type in short tons of 2000 pounds of commodites carried on commercial waterways where the origin and destination of the cargo movement was a location in the contigous 48 states alaska hawaii puerto rico and the u s
Key concepts: Tonnage, Geography, Environmental science, Geology, Oceanography