2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile depicts tropical circles, polar circles, the International Date Line and the equator as geographic lines. These data are repres... North American Cartographic Information Society.
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2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile depicts tropical circles, polar circles, the International Date Line and the equator as geographic lines. Same as 50 million ge... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile depicts tropical circles, polar circles, the International Date Line and the equator as geographic lines. Same as 50 million ge... North American Cartographic Information Society.
2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Geological Survey (U.S.), and Canada Centre for Remote Sensing. This line shapefile depicts the political boundaries of North America, including: international boundaries, provincial boundaries, state or territo... Geological Survey (U.S.).
2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Geological Survey (U.S.), and Canada Centre for Remote Sensing. This polygon shapefile depicts the political boundaries of North America, including: international boundaries, provincial boundaries, state or terr... Geological Survey (U.S.).