Baryte from selected localities.
USA | |
| Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 83 (Table 4); Schrader (1915): 207-208. |
| Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 89 (Table 4); Arizona Bureau of Mines file data. |