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Publisher
Collins Bartholomew Ltd.
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Institution
Stanford
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Data type
Polygon
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Year
2007
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1. Global 2G Mobile Communications Network Coverage, 2007
2007. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 2G mobile communications networks around the world in 2007. The data is created... Collins Bartholomew Ltd.
2. Global 3G Mobile Communications Network Coverage, 2007
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.