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- Geological Survey (U.S.)131
- United States Coast Survey100
- United States. Central Intelligence Agency15
- Instituto Geográfico Militar (Guatemala)12
- National Geographic Society (U.S.). Cartographic Division4
- United States. Defense Mapping Agency4
- Freytag, Berndt und Artaria3
- Pneu Michelin (Firm)3
- United States. Forest Service. Pacific Southwest Region3
- Bartholomew (Firm)2
- British Geological Survey2
- Cartes-plans-guides Blay-Foldex (Firm), cartographer2
- Instituto Geográfico Nacional (Guatemala)2
- Langenheim, Victoria E.2
- United States. Bureau of Land Management2
- Abert, Curtis C.1
- Aerospace Center (U.S.)1
- Atlas de Chile (Firm)1
- Bachrudin, Rudy1
- Bell Communication Sdn. Bhd1
