| Lat / long: | 38.75934, -120.80824 |
| Primary: | Slate, Dimension |
| Discovery year: | 1887 |
| Operation type: | Unknown |
| Deposit type: | Metamorphic |
| Production size: | None |
| Development status: | Occurrence |
| MRDS | M007896 |
| DEP | 10030012 |
| Reference | {Deposit:: CALIF. JOUR. MINES & GEOL. V. 52, NO. 4, PP. 453-455, 586, PL. 10}{Deposit:: U.S. BUREAU OF MINES MIN. YEARBOOK 1956, V. 3, P. 214} |
| Reporter | Gere, W. |