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2014. National Atlas of the United States. This line shapefile includes Global Map data showing the coastline of the United States, Puerto Rico, and the U.S. Virgin Islands. The United State... National Atlas of the United States.
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, 2013, and 2014. U.S. Fish and Wildlife Service. This polygon shapefile represents the extent, approximate location and type of wetlands and deepwater habitats in the Northeastern United States be... U.S. Fish and Wildlife Service.
2014. Applied Science Associates. This dataset shows coastal water trails in the northeast United States. A water trail is an officially designated water route, or blueway, that is ... Northeast Regional Ocean Council.