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2012. I.M. Systems Group. This point shapefile represents marine aids to navigation in the Northeastern United States. The Coast Guard maintains systems of marine aids to na... Coastal Services Center (U.S.).
1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, and 2014. Applied Science Associates. This point shapefile represents boat launching ramps in the northeastern United States. Boat launches are state, municipal, local, or privately own... Northeast Ocean Data.
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.
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.).
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.
2012. SeaPlan. The Northeast Recreational Boater Activities Layer depicts activity points plotted by participants in the 2012 Northeast Recreational Boater Survey... Northeast Ocean Data.
2012. SeaPlan. The Northeast Recreational Boater Routes displays recreational boater routes that were mapped by participants in the 2012 Northeast Recreational Bo... Northeast Ocean Data.
1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, and 2013. Nature Conservancy (U.S.). This shellfish habitat layer was derived from datasets from Maine, Massachusetts and New Hampshire state GIS resources. Shapefiles downloaded/provi... Northeast Ocean Data.
2012. I.M. Systems Group. Unexploded ordnance (or UXOs/UXBs, sometimes identified as UO) are explosive weapons (bombs, bullets, shells, grenades, land mines, naval mines, et... United States. National Oceanic and Atmospheric Administration and Coastal Services Center (U.S.).