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2010. Nature Conservancy (U.S.). This raster data layer was created as part of the Northwest Atlantic Marine Ecoregional Assessment. The Nature Conservancy developed this science-b...
1855. Thomas, William G., 1964-. This line shapefile represents the railroad network of the United States in 1855. This layer is part of the Railroads and the Making of Modern Amer... University of Nebraska--Lincoln.
2012. United States. National Oceanic and Atmospheric Administration. This raster dataset represents density of vessel traffic in 2012 from vessels with Automatic Identification System (AIS) transponders in 100 meter ... United States. National Oceanic and Atmospheric Administration.
2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, and 2016. Gap Analysis Program (U.S.). This polygon shapefile contains combined PAD-US Fee and Easements features for the Northeastern United States. The USGS Protected Areas Database of... Gap Analysis Program (U.S.).
2012. United States. National Oceanic and Atmospheric Administration. This raster dataset represents density of tanker vessel traffic in 2012 from vessels with Automatic Identification System (AIS) transponders in 100... United States. National Oceanic and Atmospheric Administration.
2012. United States. National Oceanic and Atmospheric Administration. This raster dataset represents density of passenger vessel traffic in 2012 from vessels with Automatic Identification System (AIS) transponders in ... United States. National Oceanic and Atmospheric Administration.
2012. United States. National Oceanic and Atmospheric Administration. This raster dataset represents density of Tug and tow vessel traffic in 2012 from vessels with Automatic Identification System (AIS) transponders i... United States. National Oceanic and Atmospheric Administration.
2013. Nature Conservancy (U.S.). Weighted persistence is reported for each ten-minute square (TMS) for each of 48 target species. Weighted persistence is a calculation where each d... Northeast Ocean Data.
Nature Conservancy (U.S.). Weighted persistence is reported for each ten-minute square (TMS) for each of 48 target species. Weighted persistence is a calculation where each d... Northeast Ocean Data.
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, and 2007. Nature Conservancy (U.S.). Geospatial data obtained from the United States Navy included point shapefiles of valid sightings for all marine mammal targets and pre-calculated ... Northeast Ocean Data.