| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 314. Strong, Mary Frances Berkholz (1964), Crystal ridge in the Inyo Mountains: Gems & Minerals, No. 325: 16-18, Oct. 1964 |
Crystal Ridge, Johnson Spring, Tibbetts Mining District, Inyo Mts, Inyo County, California, USA