Vector data is provided in shapefile format. Each dataset includes a metadata file as well as an ArcGIS layer (.lyr) file. Collection of data layer... Environmental Systems Research Institute, Inc.
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University of California, Berkeley, Museum of Vertebrate Zoology. GADM is a spatial database of the location of the world's administrative areas (or adminstrative boundaries) for use in GIS and similar software. A... University of California, Berkeley. Museum of Vertebrate Zoology.
Began in 2009. Natural Earth is a public domain map data set available at 1:10m, 1:50m, and 1:110m scales, featuring vector and raster data. Primar... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 197 sovereign states, the smallest divisions, or map units, of which are countries. These rarely correspond to actua... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 197 sovereign states, the smallest subdivisions, or map subunits, of which are countries subdivided by non-contiguou... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 197 sovereign states, the smallest divisions, or map units, of which are countries. These rarely correspond to actua... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 197 sovereign states, the smallest subdivisions, or map subunits, of which are countries subdivided by non-contiguou... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 197 sovereign states, the smallest divisions, or map units, of which are countries. These rarely correspond to actua... North American Cartographic Information Society.
2014. United States. Bureau of Transportation Statistics. This polygon shapefile contains United States county boundaries with political limits extracted from the U.S. Census Bureau's MAF/TIGER Database (M... United States. Bureau of Transportation Statistics.
2012. United States. Bureau of Transportation Statistics and United States. Bureau of the Census. Geography Division. This polygon shapefile depicts state boundaries with politicial limit extending into the ocean with detailed shorelines, including all 50 states pl... United States. Bureau of Transportation Statistics.