| Lat / long: | 28.60023, -110.50065 |
| Primary: | Graphite |
| Discovery year: | 1951 |
| Operation type: | Unknown |
| Production size: | Yes |
| Development status: | Producer |
| First production started: | 1957 |
| Last production ended: | 1985 |
| Host rock: | Barranca-Formation; Laramide |
| Host type: | Diorite,Quartzite,Sandstone,Limestone,Granite |
| MRDS | ISM0072 |
| DEP | 10024363 |
| Reference | {Deposit:: WEIS, P.L. & SALAS, G.A., 1978: ESTIMATING RESERVES OF AMORPHOUS GRAPHITE IN SONORA, MEXICO.- ENG. & MIN.JOURN., OCT. 1978, P.123-12}{Production:: USBM-MAS} |
| Reporter | Krauss, Ulrich H. |