- Middle Camp-Oro Fino Mining District
| (n.d.) ADMMR Mines Database, Arizona Geological Survey. Ref.: Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 161 (Table 4) |
Sugarloaf Butte, Quartzsite, La Paz County, Arizona, USA