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- Geological Survey (U.S.)8
- National Atlas & Thematic Mapping Organisation (India)3
- United States. Bureau of Soils2
- United States. Soil Conservation Service2
- Bryant, Bruce, 1930-1
- Deane, R. E.1
- Easterbrook, Don J., 1935-1
- Geological Survey of Canada1
- Gott, Garland Bayard, 1912-1
- Harper, Roland M. (Roland McMillan), 1878-19661
- Jenkins, Olaf P. (Olaf Pitt), 1889-1983, cartographer1
- Kenya Soil Survey1
- Love, J. D. (John David), 1913-20021
- Maryland Geological Survey1
- Mittendorfer, M., cartographer1
- Neuerburg, George J.1
- Prinz, William C., 1928-1
- Sudan1
- Tennessee. Division of Geology1
- Wild, H.1
