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Author
United States. National Imagery and Mapping Agency
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Subject
oceans
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Subject
transportation
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Data type
Point
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Year
2014
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1. World Port Index, 2014
2014. Digital Social Science Center (DSSC), Columbia University Libraries and United States. National Imagery and Mapping Agency. World Port Index, 2014 is a point theme representing port facilities worldwide. This dataset was derived from the 23rd Edition of the World Port In... National Imagery and Mapping Agency.