| ID | Locality No. | Sample No. | USGS No. | Quadrangle | | Formation | Age | |
| 5693 | 9-14-79A | 9-14-79A | 9131-CO | Dixon Entrance | D-2 | Descon Formation | Middle Ordovician | Select |
| 5697 | 9-14-79B | 9-14-79B | 10137-SD | Dixon Entrance | D-2 | No Data | Late Silurian - Early Devonian | Select |
| 16004 | 15ACh202 | 15ACh202 | Mesozoic loc. 9541 | Dixon Entrance | D-2 | No Data | Triassic | Select |