| Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, AZ: 87 (Table 4) Bryant & Metz (1966): 196 Trischka (1938): 38 Bonillas, et al (1916): 325, 336-337, 350 Ransome (1904): 111 Arizona Bureau of Mines files. |