2007. Collins Bartholomew Ltd. Representation of the area covered by GSM (2G) mobile communications around the world as of first quarter 2007.
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2007. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 3G mobile communications networks around the world in 2007. The data is created... Collins Bartholomew Ltd.
2007. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of first quarter 2007.
2007. National Center for Ecological Analysis and Synthesis. This raster dataset depicts the measurements of inorganic pollution in the world's oceans. See the Lineage section for complete information regardi... Science.
2007. National Center for Ecological Analysis and Synthesis. This raster dataset contains measurements of invasive species in the world's oceans. See the Lineage section for complete information regarding dat... Science.
2007. East View Cartographic, Incorporated and East View Cartographic, Incorporated. LandScan 2007 Global Population Database is a raster theme representing population counts at 30 arc second resolution (1 km. or finer) as of 2007. East View Cartographic, Incorporated.
2007. Oak Ridge National Laboratory. The LandScan 2007 global population dataset is a worldwide population database compiled on a 30" X 30" latitude/longitude grid. Census counts (at s... Oak Ridge National Laboratory.
2007. This raster dataset contains population counts at 30 arc second resolution (1 km. or finer) for 2007. LandScan integrates daytime movements and col... Oak Ridge National Laboratory.
2007. Not given.
2007. Not given.
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