Charcoal from North America Plate
USA | |
| Tauber, Sebastian (2015) unpublished data on site visit. |
| Transactions of the American Institute of Mining Engineers, vol 33 (1903), 459-460. |
USA | |
| Tauber, Sebastian (2015) unpublished data on site visit. |
| Transactions of the American Institute of Mining Engineers, vol 33 (1903), 459-460. |
Black Mesa Coal Mine, Black Mesa, Navajo County, Arizona, USA