1997. National Imagery and Mapping Agency. World Countries is a polygon theme representing countries worldwide. This dataset is part of the Vector Map Level 0 database. The Vector Map (VMap... National Imagery and Mapping Agency.
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1997. National Imagery and Mapping Agency. World Political Boundaries, Areas is a polygon theme representing second level administrative boundaries worldwide. Features in this layer have a... National Imagery and Mapping Agency.
1997. National Imagery and Mapping Agency. World Political Boundary Lines is a polyline theme representing various (and primarily second level) administrative boundaries worldwide. Features... National Imagery and Mapping Agency.