Search Results
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.
2011, 2012, 2013, and 2014. Applied Science Associates. This polygon shapefile represents No Discharge Zones in the Northeastern United States. A No Discharge Zone (NDZ) is a designated boundary within w... Northeast Ocean Data.
2013. I.M. Systems Group. This polygon shapefile represents maintained navigation channels in the North Atlantic United States. The condition of navigation channels is repor... United States. National Oceanic and Atmospheric Administration.
2009, 2010, 2011, 2012, and 2013. Applied Science Associates. Pilot boarding areas are locations at sea where pilots familiar with local waters board incoming vessels to navigate their passage to a destination... Northeast Ocean Data.
2014. SeaPlan. The Regulated, Safety and Security Zones map layer identifies areas in which vessel access is either limited or restricted, or within which special... Northeast Ocean Data.