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Author
- Geological Survey (U.S.)731
- Geological Survey of Canada32
- Tanzania. Idara ya Upimaji na Ramani8
- National Geographic Society (U.S.). Cartographic Division7
- Cass, John T.6
- Marshall, C. H.6
- United States. Army Map Service5
- Geological Survey (U.S.), cartographer, publisher4
- Hackman, Robert J.3
- Hemphill, William R. (William Ross), 1930-3
- United States. Forest Service. Pacific Northwest Region3
- American Geographical Society of New York2
- Gravenor, C. P.2
- Hoare, J. M.2
- Rand McNally and Company2
- Stevenson, Ira M., 1920-2
- United States. Forest Service. California Region2
- Agnew, Allen F., 1918-20121
- Alcock, Frederick James, 1888-1
- Bean, E. F. (Ernest F.), 1882- cartographer1
