- Parkfield Mining District
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 356 Aubury, Lewis E. (1903), The quicksilver resources of California: California Mining Bureau Bulletin 27: 123 Van Nostrand Reinholt Press: 53. |