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.
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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. These data are repres... 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.
2000. Lee M. Osmonson, USGS, Denver, CO (comp.), Feliks M. Persits, Contractor to USGS, Denver, CO (comp.), Douglas W. Steinshouer, Contractor to USGS, Denver, CO, and Timothy R. Klett, USGS, Denver, CO (comp.) and others. Geologic Provinces is a polygon theme representing U.S. Geological Survey defined geologic provinces of the World. Each province has a set of geol... U.S. Geological Survey.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile includes name attributes for major polar glaciers and more recently de-glaciated areas and does not include scale rank attri... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts major polar glaciers and more recently de-glaciated areas. Includes name attributes for major polar glaciers, but do... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile includes name attributes for major polar glaciers and more recently de-glaciated areas and does not include scale rank attri... North American Cartographic Information Society.
1997. National Imagery and Mapping Agency. World Grassland Areas is a polygon theme representing grasslands throughout the world. Features in this layer have an FACC (Feature and Attribute ... National Imagery and Mapping Agency.
1996. Environmental Systems Research Institute (Redlands, Calif.). Groundwater Discharge is a polygon theme representing the geographic distribution of the volume of groundwater discharge, groundwater discharge in ... ESRI.
1997. National Imagery and Mapping Agency. World Highways is a polyline theme representing major roadways in areas throughout the world. This dataset is part of the Vector Map Level 0 datab... National Imagery and Mapping Agency.