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.
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2012. I.M. Systems Group. The term disposal site means a finally approved and precise geographical area within which ocean dumping of wastes is permitted under conditions sp... Coastal Services Center (U.S.).
2013. Baldwin Group. This polygon shapefile represents anchorages in the Northeastern United States. The areas described are designated as special anchorage areas for p... Coastal Services Center (U.S.).
2013. United States. National Oceanic and Atmospheric Administration, Coastal Services Center (U.S.), United States. Department of Commerce, and United States. National Ocean Service. This polygon shapefile represents danger zones and restricted areas in the Northeastern United States. Danger Zone - A defined water area (or areas... Coastal Services Center (U.S.).