- Good, L. S.1
- Goode, J. Paul, 1862-19321
- Goodrich, Andrew Thompson, 1789-18451
- Gould, James F.1
- Granlund, Erik, 1892-19381
- Grant, James A. (Geologist)1
- Gray, Frank A.1
- Gray, Ormando Wyllis, 1829-19121
- Great Britain Survey of India.1
- Great Britain. Army. Royal Engineers1
- Great Britain. Her Majesty's Stationery Office1
- Great Britain. Surveyor General of India.1
- Great Northern Iron Ore Properties (Firm : Saint Paul, Minn.)1
- Greater North Dakota Association1
- Green, J.A.1
- Greenwood, C. (Christopher), 1786-18551
- Greenwood, Charles1
- Gregory, Edmund B. (Edmund Bristol), 1882-19611
- Griffin, W. L. (Geologist)1
- Grindhem, M. J. (Martin Johansen)1