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Start Over Year 2004 Publisher Geological Survey (U.S.)
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.).
2004, 2005, 2006, 2007, and 2008. 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.).
2004, 2005, 2006, 2007, and 2008. 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.).
2004, 2005, 2006, 2007, 2008, 2009, and 2010. 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.).
1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, and 2005. Geological Survey (U.S.). This polygon shapefile portrays the state boundaries of the United States, and the boundaries of Puerto Rico and the U.S. Virgin Islands. The map l... Geological Survey (U.S.).