2009. International Steering Committee for Global Mapping (ISCGM). Percent Tree Cover is a raster theme representing the percentage of tree cover throughout the world at a resolution of 30 arc seconds. This layer i... International Steering Committee for Global Mapping (ISCGM).
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NRG Associates, Inc., Richard M. Pollastro and others, Timothy R. Klett, USGS, Denver, CO (comp.) and others, Timothy R. Klett and others, Petroconsultants International Data Corp., U.S. Geological Survey (comp.), Feliks M. Persits and others, Douglas W. Steinshouer, Contractor to USGS, Denver, CO (comp.), Feliks M. Persits, Contractor to USGS, Denver, CO (comp.), Craig J. Wandrey and Ben E. Law, Christopher J. Schenk and others, Douglas W. Steinshouer and others, and Environmental Systems Research Institute, Inc. (ESRI). This shapefile includes arcs and polygons that describeU.S. Geological Survey delineatedTotal Petroleum Systems of the World. Each petroleum system... Environmental Systems Research Institute (ESRI).
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts major playas, salt pans and intermittent lakes worldwide. Care must be taken not to have playas extend beyond flat a... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts major playas, salt pans and intermittent lakes worldwide. Care must be taken not to have playas extend beyond flat a... North American Cartographic Information Society.
National Imagery and Mapping Agency. Political boundaries.The Vector Map (VMap) Level 0 database represents the thirdedition of the Digital Chart of the World. The secondedition was a ... U.S. National Imagery and Mapping Agency (NIMA).
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts point symbols with name attributes for populated areas worldwide, including some capitals, major cities and town and s... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts point symbols with name attributes for populated areas worldwide, including some smaller towns in sparsely inhabited r... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts point symbols with name attributes for populated areas worldwide, including some smaller towns in sparsely inhabited r... North American Cartographic Information Society.
2869. World Port Index, 2004
2004. United States. National Imagery and Mapping Agency. World Port Index, 2004 is a point theme representing port facilities worldwide. This dataset was derived from the 17th Edition of the World Port In... National Imagery and Mapping Agency.
2870. World Port Index, 2011
2011. United States. National Imagery and Mapping Agency. World Port Index, 2011 is a point theme representing port facilities worldwide. This dataset was derived from the 21st Edition of the World Port In... National Imagery and Mapping Agency.