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- Geological Survey (U.S.)130
- United States Coast Survey100
- United States. Central Intelligence Agency15
- National Geographic Society (U.S.). Cartographic Division4
- United States. Defense Mapping Agency3
- United States. Forest Service. Pacific Southwest Region3
- British Geological Survey2
- Langenheim, Victoria E.2
- United States. Bureau of Land Management2
- Abert, Curtis C.1
- Aerospace Center (U.S.)1
- Bell Communication Sdn. Bhd1
- Botswana. Dept. of Surveys and Mapping1
- Carpenter, Robert H.1
- Cyprus. Ktēmatologiko kai Chōrometriko Tmēma.1
- Di zhi chu ban she1
- Geological Survey (U.S.). National Mapping Division1
- Geological Survey of India1
- Goddard, Ives, 1941-1
- Lawrence, David P.1
