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2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts internal, first-order administrative boundaries and polygons with large lakes for all but a few tiny countries. All ... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shape file depicts internal, first-order administrative boundaries and polygons for states of the United States. All countries havin... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts all countries having 10m admin-1 with scale ranks 1 or less with scale ranking. States depicted include internal, fi... North American Cartographic Information Society.