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| Geophysical Service Incorporated (2) |
| Geophysics (2) |
| Green, Cecil Howard, 1900-2003 (2) |
| Green, Ida M. (2) |
| Jonnson, Erik (2) |
| McDermott, Eugene, 1899-1973 (2) |
| Texas Instruments Incorporated (2) |
| Central America (1) |
| Dallas (Tex.) (1) |
| Midland (Tex.) (1) |