2007. 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.
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2007. 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. National Center for Ecological Analysis and Synthesis. This raster dataset shows the locations of benthic structures (oil rigs) in the world's oceans. Structures included are gas and communication pipel... Science.
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.
2007. Collins Bartholomew Ltd. Representation of the area covered by GSM (2G) mobile communications around the world as of first quarter 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.
2007. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of first quarter 2007.