|
USA | |
| [var. Agate-Jasper] Zeitner, J. C. 1964 Treasures of the Desert: Lapidary Journal, v. 17, no. 11, p. 1082-1089. |
| Blair, 1992. Rockounding Arizona, p.149. |
| Simpson, B., and Mitchell, J. R. 1989 Gem Trails of Arizona: Gem Guides Book company, Baldwin Park, California, 124 p. |
Anderson Mine, Date Creek Basin, Yavapai County, Arizona, USA