Magnetite from Black Hills (Black Hill Range), Yavapai County, Arizona, USA
USA | |
| Lindgren, W. (1926), USGS Bull. 782: 27, 30, 79-88. |
Anderson, C.A. & S.C. Creasey (1958), Geology and ore deposits of the Jerome area, Yavapai Co., AZ, USGS PP 308: 92. Lindgren, W. (1926), USGS Bull. 782: 26, 61-78 | |
| Anderson, C.A. & S.C. Creasey (1958), Geology and ore deposits of the Jerome area, Yavapai Co., AZ, USGS PP 308: 92, 132. |