Immel Mine, Walnut Creek, Contra Costa Co., California, USA

Latitude: 37°54'23"N
Longitude: 122°3'1"W

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A former crushed stone quarry located 1.2 km (3,900 feet) E of Walnut Creek.

References

Davis, Fenelon Francis and H.B. Goldman (1958) Mines and mineral resources of Contra Costa County. California Journal of Mines and Geology: 54(4): 577, Pl. 5.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in California, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 13th Jun 2011 16:45:32