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Subject
Boundaries
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Subject
Transportation
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Subject
Oceans
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Place
Massachusetts
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Place
Boston Harbor (Mass.)
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Place
Blue Hill Bay (Me.)
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Place
Cobscook Bay (Me.)
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Data type
Polygon
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Format
Shapefile
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Year
2012
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1. Marine Transportation, Northeast United States, 2012
2012. I.M. Systems Group. This polygon shapefile represents the geographic location and identity of designated areas used to manage vessel traffic in the northeast United St... United States. National Oceanic and Atmospheric Administration.