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| Hales, Anton (4) |
| Helsley, Charles E. (4) |
| MacGregor, Ian D. (4) |
| Riley, Glen H. (4) |
| Southwest Center for Advanced Studies. Geosciences Division (4) |
| Carter, James L. (James Lee), 1937- (3) |
| Graham, John Warren (3) |
| Manton, W. I. (3) |
| Continental drift (2) |
| Landisman, Mark (2) |