- Greenhorn District (Greenhorn Mountains District)
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Troxel, Bennie W., Morton, Paul K. (1962) Mines and Mineral Resources of Kern County California. County Report 1. California Division of Mines and Geology Van Nostrand Reinholt Press: 345. |
Black Mountain pegmatite dike, Alta Sierra, Greenhorn District, Greenhorn Mountains, Kern County, California, USA