|
USA | |
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| Mineralogy of Alabama Geol Surv Ala. Bull 120 |
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| Gems and Minerals of America- Jay Ellis Ransom-1974 |
- Oatman District (San Francisco District; Union Pass District)
| Blair, 1992. Rockhounding Arizona. |
|
| Blair, 1992. Rockhounding Arizona, p.157. |
|
| Minerals of Colorado (1997) E.B. Eckels |
|
| Zeitner (1968) Appalachian Gem Trails |
|
| Gems and Minerals of America -Jay Ellis Ransom-1974 |
|
| Gems and Minerals of America - Jay Ellis Ransom-1974 |
|
| Gems and Minerals of America- Jay Ellis Ransom-1974 |
|
| Gems and Minerals of America-Jay Ellis Ranson-1974 |
|
| Zeitner,J.C.,1968,Appalachian mineral and gem trails,Lapidary Journal |
|
| AmMIn 11:334-340 |