Ice from Colorado Plateau, USA
USA | |
| Luetcke, Rolf (n.d.) Personal communication. |
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
USA | |
| Luetcke, Rolf (n.d.) Personal communication. |
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
Unnamed Petrified Wood occurrence [2], Flagstaff, Coconino County, Arizona, USA