|
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 151 |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 151 |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 151 |
| Luetcke, Rolf (n.d.) Personal communication. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 151 |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| The Resources of Arizona - A Manual of Reliable Information Concerning the Territory, compiled by Patrick Hamilton (1881), Prescott, AZ: 35. |
Tombstone, Tombstone Mining District, Cochise County, Arizona, USA