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You searched for: Author Digital Social Science Center (DSSC), Columbia University Libraries Remove constraint Author: Digital Social Science Center (DSSC), Columbia University Libraries Subject oceans Remove constraint Subject: oceans Institution Columbia Remove constraint Institution: Columbia
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1. World Port Index, 2012

2012. Digital Social Science Center (DSSC), Columbia University Libraries and United States. National Imagery and Mapping Agency. World Port Index, 2012 is a point theme representing port facilities worldwide. This dataset was derived from the 22nd Edition of the World Port In... National Imagery and Mapping Agency.

2. 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.