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1. Aids to Navigation, Northeast United States, 2012

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.).

2. California Coastal Ports: Commercial Fishing Information System, 2010

2012. California. Department of Fish and Game. Marine Resources Region. This point shapefile is meant to spatially depict the CFIS Ports table as of March 15, 2010. Historical ports are not included. Only current ports ... California. Department of Fish and Game. Marine Resources Region.

3. Recreational Boater Activities, Northeast United States, 2012

2012. SeaPlan. The Northeast Recreational Boater Activities Layer depicts activity points plotted by participants in the 2012 Northeast Recreational Boater Survey... Northeast Ocean Data.