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- Geological Survey (U.S.)39
- Geological Survey (U.S.). National Mapping Division8
- United States. Army Map Service8
- Geological Survey (U.S.), issuing body7
- Boyd, W. H.3
- Geological Survey (U.S.), cartographer3
- Geological Survey of Canada3
- Dyer, William Spafford, 1894-2
- Geological Survey of Canada, issuing body2
- Hanson, George, 1891-2
- Senécal, C. O. (Clovis Omer)2
- Cairnes, D. D. (DeLorme Donaldson), 1879-19171
- Canada. Department of Mines and Technical Surveys1
- Dane, C. H. (Carle Hamilton), 1900-1968, cartographer1
- Darton, Nelson Horatio, 1865-19481
- Falconer, F. S.1
- Faribault, E. R. (Eugène Rodolphe), 1860-1
- Fenneman, Nevin Melancthon, 1865-19451
- Geological Survey (South Africa)1
- Geological Survey (U.S.), cartographer, issuing body1
