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Author
- Geological Survey (U.S.)387
- Tanzania. Idara ya Upimaji na Ramani138
- United States. Central Intelligence Agency16
- Snyder, George L. (George Leonard), 1927-11
- Geological Survey (U.S.), author9
- National Coastal Ecosystems Team (U.S.)8
- United States. Forest Service. Eastern Region8
- United States. Bureau of Land Management6
- National Geographic Society (U.S.). Cartographic Division4
- Stewart, W. D.4
- United States. Forest Service. Intermountain Region4
- Hibbard, J.3
- United States. Defense Mapping Agency. Hydrographic/Topographic Center3
- United States. Forest Service. Northern Region3
- Detterman, Robert L., author2
- Ekren, E. B. (Einar Bartlett), 1923-2
- Newfoundland. Mineral Development Division, cartographer, issuing body2
- United States. Bureau of Land Management. Montana State Office2
- United States. Bureau of Land Management. Wyoming State Office2
- United States. Bureau of the Census. Geography Division2
