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USA | |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 337. Miller, William John (1934), Geology of the western San Gabriel Mountains: University of California Los Angeles Pub. Math. and Physical Sci.: 1: 5 |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Sharp, W.E. (1959) Minerals from Los Angeles County, California. Printed privately, Los Angeles, California: 63 Beverly, Burt Jr. (1934), Graphite deposits in Los Angeles County, California: Economic Geology: 29: 344, 351 Van Nostrand Reinholt Press: 452. |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Sharp, W.E. (1959) Minerals from Los Angeles County, California. Printed privately, Los Angeles, California: 27 Van Nostrand Reinholt Press: 452. |
- Sierra Pelona Mts (Sierra Pelona Range)
- Elizabeth Lake Canyon area
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 206. Beverly, Burt Jr. (1934), Graphite deposits in Los Angeles County, California: Economic Geology: 29: 351 |
- Upper Elizabeth Lake Canyon
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 100, 337-338. Beverly, Burt Jr. (1934), Graphite deposits in Los Angeles County, California: Economic Geology: 29: 344, 351, 352 |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 337. Beverly, Burt Jr. (1934), Graphite deposits in Los Angeles County, California: Economic Geology: 29: 344, 351 |