- Blind Spring Mining District (Blind Spring Hill Mining District; Benton Mining District)
| Murdoch, Joseph, Webb, Robert W. (1966) Minerals of California, Centennial Volume (1866-1966) - California Division Mines and Geology, Bulletin 189. p.1-559. Loew, Oscar (1875), Investigation of mineralogical and agricultural conditions: US Geographic Surveys W 100th. Meridian Report 1875, part 3: 653 |