Wad from selected localities.
USA | |
| Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 115 (Table 4); Farnham, et al (1961): 113-114. |
Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 115 (Table 4); Farnham, et al (1961): 112-113. | |
Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 116 (Table 4); Farnham, et al (1961): 109-111. |