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Mugwump Mine (Young America Mine; Diamond Peak Mine), Forest, Forest District (Alleghany; Chips Flats; Minnesota), Sierra Co., California, USA

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A former Au mine located about ½ mile SW of Forest and about 1½ miles NNW of Alleghany.

Mineralization is hosted in greenstone and slate.

Workings include an adit.

Production data are found in: MacBoyle (1920).

Mineral List

1 entry listed. 1 valid mineral.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Ferguson, Henry G. & R.W. Gannett (1932), Gold quartz veins of the Alleghany district, California: USGS PP 172.

MacBoyle, Errol (1920b), Mines and mineral resources of Sierra County: Calif. In. Bureau Report 16, 144 pp. (published as separate chapter): 133-134.

Clark, Wm. B. (1970a) Gold districts of California: California Division Mines & Geology Bulletin 193:

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 33.

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