Table 20.2. Archaeomagnetic Samples Grouped by Statistical Analysis
| Early Groups | Late Groups | ||
| Group 1 | Group 2 | Group 3 | Group 4 |
| Green Lizard-1a | Mad Dog Tower-1 | Kenzie Dawn Hamlet-1 | Lester's Site-1 |
| G and G Hamlet-1 | Sand Canyon Pueblo-1b | Troy's Tower-1 | G and G Hamlet-2 |
| Mad Dog Tower-1 | Lillian's Site-1 | Lookout House-1 | |
| Sand Canyon Pueblo-1b | Sand Canyon Pueblo-2c | ||
| Troy's Tower-2 | |||
| Catherine's Site-1 | |||
| Saddlehorn Hamlet-1 | |||
| Sand Canyon Pueblo-3d | |||
| Kenzie Dawn Hamlet-1 | |||
| Troy's Tower-1 | |||