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 "name": "2011 Cargo Vessel Density",
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 "description": "This layer shows the density of vessel traffic in 2011 for cargo vessels that carry Automatic Identification System (AIS) transponders. AIS are a navigation safety device that transmits and monitors the location and characteristics of many vessels in U.S. and international waters in real-time. The data represent density in 100 meter grid cells and are best interpreted using a high to low density scale.",
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 "copyrightText": "Automatic Identification Systems, U.S. Coast Guard",
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  "name": "Annual Vessel Density"
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 "capabilities": "Map,Query",
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