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USA | |
- California Mining District (Chiricahua Mining District)
| Luetcke, Rolf (n.d.) Personal communication. |
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| Luetcke, Rolf (n.d.) Personal communication. |
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| Rui Nunes - Jan2006 |
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| Luetcke, Rolf (n.d.) Personal communication. |
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| Luetcke, Rolf (n.d.) Personal communication. |
- Georgetown Mining District
| 2009 New Mexico Mineral Symposium abstracts
Walstrom, Robert E. (n.d.) Personal communication. |
- Apache No. 2 Mining District
| Min News 20:10 p 8 |
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| Walstrom, Robert E. (n.d.) Personal communication. |
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| Walstrom, Robert E. (n.d.) Personal communication. |
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| Walstrom, Robert E. (n.d.) Personal communication. |
- San Simon Mining District
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
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| R&M 77:5 p298-305
Walstrom, Robert E. (n.d.) Personal communication. |
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| Richard Green photo |
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| R&M 77:5 p298-305 |
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| Robert E.Walstrom Collection |
- Lordsburg Mining District
| Luetcke, Rolf (n.d.) Personal communication. |
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| 2009 New Mexico Mineral Symposium abstracts |
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| 2009 New Mexico Mineral Symposium abstracts
Walstrom, Robert E. (n.d.) Personal communication. |
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| Walstrom, Robert E. (n.d.) Personal communication. |
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| Walstrom, Robert E. (n.d.) Personal communication. |
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| Walstrom, Robert E. (n.d.) Personal communication. |
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| Walstrom, Robert E. (n.d.) Personal communication. |
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| 2009 New Mexico Mineral Symposium abstracts
Walstrom, Robert E. (n.d.) Personal communication. |
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| Min News 20:6 p8 |
- Victorio District (Gage District)
| Walstrom 2006 New Mexico Mineral Symposium abstracts |
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| Walstrom, Robert E. (n.d.) Personal communication. |
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| Walstrom, Robert E. (n.d.) Personal communication. |
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| Walstrom, Robert E. (n.d.) Personal communication. |
Bob Montgomery Claim Group, Granite Gap, San Simon Mining District, Peloncillo Mountains, Hidalgo County, New Mexico, USA