Jasper from Maricopa County, Arizona, USA
USA | |
| P Cristofono collection, 2007 |
| Orr, R. L. (1990). Geology and mineralization associated with the early proterozoic alder group, the Sunflower Mining District, Maricopa and Gila Counties, Arizona. Masters thesis: University of Arizona. |
MRDS file #10040374. |
Cave Creek Mining District, Palo Verde Mountains, Maricopa County, Arizona, USA