2012. Collins Bartholomew Ltd. This raster dataset is a representation of the coverage area for 3G mobile communications networks around the world. Mobile Coverage is released an... Collins Bartholomew Ltd.
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2012. Oak Ridge National Laboratory. This raster dataset contains population counts at 30 arc second resolution (1 km. or finer) for 2012. "Using an innovative approach with Geographic... Oak Ridge National Laboratory.
2012. This raster dataset contains population counts at 30 arc second resolution (1 km. or finer) for 2012. LandScan integrates daytime movements and col... Oak Ridge National Laboratory.
2012. Oak Ridge National Laboratory. This raster dataset is a subdirectory containing the ArcGIS grid (world_admin1) of the countries/sub-countries. These are the standard Level 1 Admi... Oak Ridge National Laboratory.
2012. Oak Ridge National Laboratory. This raster dataset contains areas of 30 second cells. The data table (VAT) contains the cell areas in the field: [Area]. The units are square kilo... Oak Ridge National Laboratory.
2012. Oak Ridge National Laboratory. This raster dataset is a grid of world countries. These are the standard country boundaries. Also included is a DBF (countries.dbf) giving the coun... Oak Ridge National Laboratory.
2012. United States. Department of State. Office of the Geographer. This line shapefile contains country boundaries for Africa and American continents. Large Scale International Boundaries (LSIB) are created and mai... United States. Department of State. Humanitarian Information Unit.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts natural and artificial lakes in North America only ranked by relative importance, coordinating with river ranking. I... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile depicts single-line drainages for rivers in North America only ranked by relative importance. Includes name and line width ... North American Cartographic Information Society.
2012. Heater, Nicole.