Little Joe Mine
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The Little Joe and Hoss Opal Mines are located in the Calico Hills and discovered by Ray Duffield in the 1960's[1]. The Royal Rainbow Opal Mine is located a few km to the north.
In the 1970's the mine was owned by Ray and Marge Duffield, who charged diggers $5 per day with the condition that they would sell a larger find to them for $600 maximum.[2]
References
- ↑ Stephen B. Castor, Gregory C. Ferdock, "Minerals of Nevada," Issue 31, p. 76, 2004.
- ↑ Gary Pedersen, "Remote Mine Home Draws Diggers: Opals Lace 'End of the Earth',", Los Angeles Times, January 3, 1978 pg oc3.
Remote Resources
- Little Joe opal mine (Black Rock mine; Little Jo mine), Donnelly Mining District, Humboldt County, Nevada, USA (mindat)
- GNIS
- Citation: "Primary Series 30-Minute Highway Quads, Nevada Department of Transportation. 2-11/1986"