2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile represents roads in North America only, including preliminary scale ranking and full list of attributes. The “basic” roads ... North American Cartographic Information Society.
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2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile depicts the edges of year-round ice shelves fringing Antarctica. Data was derived from the MODIS 2003-2004 Mosaic of Antarc... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts historic natural and artificial lakes worldwide ranked by relative importance, coordinating with river ranking. Incl... 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. States depicted include internal, first-order administr... North American Cartographic Information Society.
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 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.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile represents railroads in North America only. The “basic” railroads at 10m scale are from Commission for Environmental Cooper... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile depicts the edges of year-round ice shelves fringing Antarctica. Data was generalized from 10m Antarctic ice shelves derive... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 394 authorized Park Service units in the United States only that are over 100,000 acres. The data does not include a... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 394 authorized Park Service units in the United States only with scale rankings that are over 100,000 acres. Scale r... North American Cartographic Information Society.