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2005, 2006, 2007, 2008, and 2009. California. Metropolitan Transportation Commission. This polygon shapefile contains the California Metropolitan Transportation Commission's (MTC) Communities of Concern (COC) for the San Francisco Ba... California. Metropolitan Transportation Commission.
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.
2008. United States. National Oceanic and Atmospheric Administration, United States. Department of Commerce, United States. National Ocean Service, and Coastal Services Center (U.S.). This polygon shapefile contains time series data for the coastal regions of the Northeastern United States in 2008. This data product was created b... Coastal Services Center (U.S.).