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2005. United States. Office of Coast Survey, United States. Department of Commerce, United States. National Oceanic and Atmospheric Administration, and United States. National Ocean Service. This line shapefile represents the maritime limits of California. NOAA's Office of Coast Survey (OCS) is responsible for generating the 3 Nautical ...
2005, 2006, 2007, and 2008. United States. Department of Commerce, United States. National Oceanic and Atmospheric Administration, and United States. National Ocean Service. This polygon shapefile contains outer continental shelf (OCS) lease blocks in the northeast region. OCS blocks are used to define small geographic ... United States. National Ocean Service.