Electrum from selected localities.
USA | |
| USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10310650. |
Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 44, 109; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 205; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 19.; U.S. Geological Survey Open-File Report 2011-1034 |