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2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between land and ocean, excluding Antarctica, at high resolution. High-resolution represents an 80 p... United States. National Geospatial-Intelligence Agency.
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between land and ocean, excluding Antarctica, at intermediate resolution. Intermediate represents an... United States. National Geospatial-Intelligence Agency.
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between land and ocean, excluding Antarctica, at low resolution. Low represents an 80 percent reduct... United States. National Geospatial-Intelligence Agency.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 197 sovereign states worldwide, for which the smallest subdivisions are countries. Sovereign states, map units, map ... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 197 sovereign states. These rarely correspond to actual administrative divisions but rather highlight geographical r... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 197 sovereign states. These rarely correspond to actual administrative divisions but rather highlight geographical r... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile represents time zone boundaries for the world. Time zones are primarily derived from the Central Intelligence Agency map of ... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts tiny country points that can be used with country layers to communicate data that would otherwise be lost due to some ... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts tiny country points that can be used with country layers to communicate data that would otherwise be lost due to some ... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts tiny country points that can be used with country layers to communicate data that would otherwise be lost due to some ... North American Cartographic Information Society.