2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts country boundaries on land and offshore for Pacific Island Groupings, including 200-mile nautical limits, plus dispu... North American Cartographic Information Society.
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2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts country boundaries on land and offshore for Pacific Island Groupings. Groupings are designed to better organize thes... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts country boundaries on land and offshore for Pacific Island Groupings, including 200-mile nautical limits, plus dispu... North American Cartographic Information Society.
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, and 1999. Geological Survey (U.S.). This line shapefile portrays the major roads in the United States, Puerto Rico, and the U.S. Virgin Islands. The file was produced by joining the i... 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, 2005, and 2006. National Atlas of the United States. This polygon shapefile contains National Wilderness Preservation System areas of 640 acres or more, in the United States, Puerto Rico, and the U.S.... National Atlas of the United States.
2014. National Energy Information Center (U.S.). This point shapefile represents all operable bulk petroleum product terminals located in the 50 States and the District of Columbia with a total bu... National Energy Information Center (U.S.).
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile depicts the boundaries of disputed areas and breakaway regions ranging from Kashmir to the Elemi Triangle and Northern Cyprus t... North American Cartographic Information Society.
2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Canada Centre for Mapping, and Geological Survey (U.S.). This line shapefile shows bathymetric contours with depth in metres for ocean areas covered by the extent of the North American Atlas project. Isob... Canada Centre for Mapping, Instituto Nacional de Estadística, Geografía e Informática (Mexico), and Geological Survey (U.S.).
2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, and 2016. Gap Analysis Program (U.S.). This polygon shapefile contains combined PAD-US Easements features for the United States. The USGS Protected Areas Database of the United States (P... Gap Analysis Program (U.S.).
2003. United States. Environmental Protection Agency. This polygon shapefile shows Omernik's Level III ecoregions, derived from a 1:7,500,000 map created by J.M. Omernik in 1987 and from refinements of... National Atlas of the United States.