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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.
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.
2011. United States. National Oceanic and Atmospheric Administration. This raster dataset represents density of tanker vessel traffic in 2011 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 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 vessel traffic in 2012 from vessels with Automatic Identification System (AIS) transponders in 100 meter ... 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.
2014. California. Department of Transportation. This line shapefile represents the locations of capital improvement projects programmed by the State Transportation Improvement Program (STIP) that... California. Department of Transportation.
2014. California. Department of Transportation. This point shapefile represents the locations of capital improvement projects programmed by the State Transportation Improvement Program (STIP) tha... California. Department of Transportation.
2017. Jasper Ridge Biological Preserve (Agency). This line shapefile represents a portion of Oregon Expressway in Palo Alto, California. This layer is part of a collection of GIS data created and ... Jasper Ridge Biological Preserve (Agency).
2017. Jasper Ridge Biological Preserve (Agency). This line shapefile represents a portion of Page Mill Road in Palo Alto, California. This layer is part of a collection of GIS data created and man... Jasper Ridge Biological Preserve (Agency).