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Author
- Geological Survey (U.S.)1,936
- Geological Survey of Canada207
- Hackman, Robert J.36
- Canada. Bureau of Geology and Topography34
- Marshall, C. H.30
- Darton, Nelson Horatio, 1865-194825
- Detterman, J. S.25
- Moore, Samuel L.19
- Norris, Donald Kring, 1924-19
- Miller, Todd S.18
- Snyder, George L. (George Leonard), 1927-18
- Dibblee, T. W. (Thomas Wilson), 1911-16
- Newfoundland. Mineral Development Division16
- Roehler, Henry W.16
- Thaden, Robert E., 1924-16
- Hayes, C. W. (Charles Willard), 1859-191615
- Johnson, William D., Jr.15
- Lewis, Richard Quintin, 1919-15
- Luft, Stanley Jeremie, 1927-15
- Orkild, Paul P.15
