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Start Over You searched for: Resource Class Datasets Remove constraint Resource Class: Datasets Resource Type Raster data Remove constraint Resource Type: Raster data Subject Commerce Remove constraint Subject: Commerce

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2007 and 2008. National Center for Ecological Analysis and Synthesis. This raster layer represents global commercial shipping activity including location and travel routes. Commercial shipping activity can lead to shi... Science.
1787. Rumsey, David, 1944- and Boulton, S. This layer is a georeferenced image of a map of Africa originally created by S. Boulton in 1787. The original map appears in 'A general atlas, desc... Cartography Associates.