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41. North American Atlas - Bathymetry (Polygons)

2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Canada Centre for Mapping, and Geological Survey (U.S.). This polygon shapefile contains bathymetric data with depth in metres for ocean areas covered by the extent of the North American Atlas project. Is... Canada Centre for Mapping.

42. Offshore and Coastal Rocks, California, 2004

2004. California. Department of Fish and Game. Marine Resources Region. This is a point shapefile depicting rocks adjacent to the California mainland and island coasts. It is useful for identifying offshore rocks but it... California. Department of Fish and Game. Marine Resources Region.

43. Offshore Border: United States and Mexico, 2004

2004. California. Department of Fish and Game. Marine Resources Region. This line shapefile represents the offshore boundary between the United States and Mexico. This layer is part of a collection of data created by th... California. Department of Fish and Game. Marine Resources Region.

44. Sea Ice, North America, 2004

2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Geological Survey (U.S.), and Canada Centre for Remote Sensing. This polygon shapefile shows the approximate extent of marine areas in the Arctic covered by permanent polar ice. The data originated from the Cana... Geological Survey (U.S.).

45. Seafloor Character: Offshore of Bolinas, California, 2008

2004. Erdey, Mercedes D., Cochrane, Guy R., Pacific Coastal and Marine Science Center, and Golden, Nadine E. This layer is a georeferenced raster image containing seafloor character data for the offshore area of Bolinas, California. This layer is part of U... Geological Survey (U.S.).

46. Seafloor Character: Offshore of San Francisco, California, 2008

2004. Erdey, Mercedes D., Cochrane, Guy R., Pacific Coastal and Marine Science Center, and Golden, Nadine E. This layer is a georeferenced raster image containing seafloor data for the offshore area of San Francisco, California. This layer is part of USGS ... Geological Survey (U.S.).

47. Seafloor Character: Offshore of Tomales Point, California, 2010

2004. Cochrane, Guy R., Erdey, Mercedes D., Pacific Coastal and Marine Science Center, and Golden, Nadine E. This layer is a georeferenced raster image containing seafloor character data for the offshore area of Tomales Point, California. A map that shows ... Geological Survey (U.S.).

48. Stellwagen Bank National Marine Sanctuary, 2004

2004. United States. National Ocean Service, United States. National Oceanic and Atmospheric Administration, and United States. Department of Commerce. This polygon shapefile represents the boundary of the Stellwagen Bank National Marine Sanctuary in Massachusetts. National Marine Sanctuary means a... United States. National Ocean Service.