| Bancroft, Peter, Bricker, Garth (1990) Arizona's Silver Mining District. The Mineralogical Record, 21 (2) 151-168 Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 176 (Table 4) |