2011. 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. 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. United States. Bureau of Transportation Statistics. This polygon shapefile depicts service wide boundary set for display and general analysis purposes. This layer is part of the 2014 National Transpo... United States. Bureau of Transportation Statistics.
2011. United States. Bureau of the Census. Geography Division and United States. Bureau of Transportation Statistics. This polygon shapefile contains United States administrative county boundaries extracted from the U.S. Census Bureau's MAF/TIGER Database (MTDB). T... United States. Bureau of Transportation Statistics.
2011. United States. Bureau of Transportation Statistics and United States. Federal Aviation Administration. The Airport Runways database is a geographic dataset of runways in the United States and its Territories containing information on the physical cha... United States. Bureau of Transportation Statistics.
2011. United States. Bureau of Transportation Statistics and United States. Federal Aviation Administration. This point shapefile depicts aircraft landing facilities in the United States and United States Territories. Attribute data is provided on the phys... United States. Bureau of Transportation Statistics.
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.
2011. Collins Bartholomew Ltd. Representation of the area covered by GSM (2G) mobile communications around the world as of December 2011.
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. Representation of the area covered by 3G mobile communications around the world as of December 2011.