Sandstone from Cochise County, Arizona, USA
USA | |
| Luetcke, Rolf (n.d.) Personal communication. |
Luetcke, Rolf (n.d.) Personal communication. | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
USA | |
| Luetcke, Rolf (n.d.) Personal communication. |
Luetcke, Rolf (n.d.) Personal communication. | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Saint David area, Cochise County, Arizona, USA