- Geological Survey (U.S.)12
- Geological Survey of Canada3
- Grantz, Arthur, 1927-3
- Bramkamp, Richard A.2
- Kachadoorian, Reuben, 1921-2
- Fraser, J. A.1
- Goldsmith, Richard, 1918-1
- Saskatchewan. Soil Survey1
- Schnabel, Robert W.1
- Smith, Charles Haddon, 1926-1
- Stockwell, C. H. (Clifford Howard), 1897-19871
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