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- Geological Survey (U.S.)297
- United States. National Ocean Service42
- United States. Central Intelligence Agency21
- United States. Defense Mapping Agency. Hydrographic/Topographic Center15
- Tanzania. Idara ya Upimaji na Ramani13
- United States. Bureau of Indian Affairs9
- Clarke, M. D.7
- United States. Bureau of Land Management. California Desert District7
- United States. Bureau of Land Management6
- Instituto Geográfico Nacional (Honduras)5
- Japan. Kaijō Hoanchō. Suirobu4
- National Geographic Society (U.S.). Cartographic Division4
- United States. Bureau of Indian Affairs. Phoenix Area Office. Branch of Roads4
- United States. Forest Service. Eastern Region4
- Freytag, Berndt und Artaria3
- Great Britain. Admiralty3
- Nelles Verlag3
- Zambia. Survey Dept3
- Australia. Hydrographic Service2
- Baker, Robert M., 1954-2
