2011. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 2G mobile communications networks around the world in 2011. The data is created... Collins Bartholomew Ltd.
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2011. Collins Bartholomew Ltd. This raster dataset is a representation of the coverage area for 2G mobile communications networks around the world. Mobile Coverage is released a... Collins Bartholomew Ltd.
2011. Collins Bartholomew Ltd. This polygon shapefile is representation of the area covered by 3G mobile communications networks around the world in 2011. The data is created fro... Collins Bartholomew Ltd.
2011. 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.
2011. Oak Ridge National Laboratory. The LandScan Global Population Database (2011) contains population counts at 30 arc second resolution (1 km. or finer). "Using an innovative approa... Oak Ridge National Laboratory.
2011. Oak Ridge National Laboratory. A subdirectory containing the ArcGIS grid (world_admin1) of the countries/sub-countries. These are the standard Level 1 Administrative Boundaries. ... Oak Ridge National Laboratory.
2011. 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.
2011. Oak Ridge National Laboratory. This raster dataset is a grid of world countries. These are the standard country boundaries. This dataset also contains a DBF (countries.dbf) givin... Oak Ridge National Laboratory.