2018. Collins Bartholomew Ltd. Representation of the area covered by GSM (2G) mobile communications around the world as of December 2018.
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2020. Collins Bartholomew Ltd. Raster data representing the area covered by 2G mobile communications around the world as of 2020.
2018. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of December 2018.
2020. Collins Bartholomew Ltd. Raster data representing the area covered by 3G mobile communications around the world as of 2020.
2018. Collins Bartholomew Ltd. Representation of the area covered by 4G mobile communications around the world as of December 2018.
2020. Collins Bartholomew Ltd. Raster data representing the area covered by 4G mobile communications around the world as of 2020.
2016. United States. National Geospatial-Intelligence Agency. This layer serves as an index to the Operational Navigational Chart (ONC), a 1:1,000,000 scale aeronautical chart series. The series contains appro... East View Cartographic, Inc.
1956. George Philip & Son, Ltd. North Decimal Degree 90.000000. South Decimal Degree -90.0000. East Decimal Degree 180.0000. West Decimal Degree -160.000... London, UK : [s.n.], 1956.
1996. Environmental Systems Research Institute (Redlands, Calif.). Political Boundaries is a polyline theme representing administrative boundaries worldwide, including country boundaries, and in some cases, second ... ESRI.
1996. Environmental Systems Research Institute (Redlands, Calif.). Political Territories is a polygon theme representing administrative territories worldwide, including countries, and in some cases, second level ad... ESRI.