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Discovery cut |
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Esmeralda Mine, Mesa Grande District, San Diego Co., California, USA
Caption: "ILL. No. 37. ESMERALDA MINE, MESA GRANDE—TUNNEL LOOKING EAST. GEM TOURMALINE." Source: Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau Bulletin 37, p 136. |
| © 1905 CSMB | Photo ID: 202175 View Count: 57 |
Ledge Discovery Cut |
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Esmeralda Mine, Mesa Grande District, San Diego Co., California, USA
This 1906 advertisement appeared in The Pacific Monthly magazine of Portland, Oregon - offering gems sent by express cash-on-delivery with privilege of examination. San Diego's most famous lapidary shop was originally owned by C. O. Johnson and local prospector W. H. Trenchard, opening for business in downtown San Diego in 1903. Their shop was ... |
| © 2005 SDMC | Photo ID: 126695 View Count: 154 |
