A Au occurrence on the American River 2 miles above Michigan Bluff.
References:
Blake, Wm. P. (1868b), Note on a large lump of gold found on the middle fork of the American River: California Academy of (Natural) Sciences Proceedings: 3: 166.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 204.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 28.
Mineral List:1 entry listed. 1 valid mineral.
The above list contains all mineral locality references listed on mindat.org. 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!