| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology, California Division of Mines (Report 49): 49(1-2): 157-161 American Mineralogist (1936): 21: 238-244 Van Nostrand Reinholt Press: 440. |
Hector, San Bernardino County, California, USA