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| Harley, George T. (1934) The geology and ore deposits of Sierra County, New Mexico. Bulletin 10. New Mexico Bureau of Geology and Mineral Resources doi:10.58799/b-10 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Jahns, R. H., & Glass, J. J. (1944). Beryllium and tungsten deposits of the Iron Mountain district, Sierra and Socorro counties, New Mexico. US Gelogical Survey Bulletin 945-C |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Jahns, R. H., & Glass, J. J. (1944). Beryllium and tungsten deposits of the Iron Mountain district, Sierra and Socorro counties, New Mexico. US Gelogical Survey Bulletin 945-C USGS Bull 945C |
| Harley, George T. (1934) The geology and ore deposits of Sierra County, New Mexico. Bulletin 10. New Mexico Bureau of Geology and Mineral Resources doi:10.58799/b-10 |
- Sierra Cuchillo (Cuchillo Negro Mts)
- Cuchillo Negro Mining District
| Harley, George T. (1934) The geology and ore deposits of Sierra County, New Mexico. Bulletin 10. New Mexico Bureau of Geology and Mineral Resources doi:10.58799/b-10 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Harley, George T. (1934) The geology and ore deposits of Sierra County, New Mexico. Bulletin 10. New Mexico Bureau of Geology and Mineral Resources doi:10.58799/b-10 |
Sierra County, New Mexico, USA