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Author
- International Steering Committee for Global Mapping (ISCGM)[remove]55
- Department of Land Affairs1
- Direccao Geral de Geografia c Cadastro1
- Instituto Geografico Militar1
- National Institute of Cartography and Remote Sensing1
- Office de la Topographie et de la Cartographie1
- Sudan National Survey Corporation1
- Survey Department of Ghana1
- Survey of Bangladesh1