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- Geological Survey (U.S.)87
- United States. Office of Strategic Services. Geography Division25
- United States. Army Map Service12
- Great Britain. War Office. General Staff. Geographical Section11
- United States. Office of Coordinator of Information. Geographic Division7
- United States. Army. Corps of Engineers6
- United States. Office of Strategic Services6
- Geological Survey of Canada5
- Rand McNally and Company5
- United States. Forest Service. North Pacific Region5
- United States. Board of Economic Warfare4
- United States. Forest Service4
- United States. Public Roads Administration4
- Geological Survey (U.S.), cartographer3
- George Philip & Son3
- Hartford (Conn). Department of Engineering3
- Hume, G. S. (George Sherwood), 1893-3
- J.W. Clement Co.3
- United States. Forest Service. Intermountain Region3
- United States. Office of Strategic Services. Research and Analysis Branch3
