| Lat / long: | 37.9449, -121.99298 |
| Primary: | Silica |
| Ore: | Sand |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| MRDS | M007196 |
| DEP | 10109199 |
| Reference | CALIF. JOUR. VOL. 47, NO. 4, OCT. 1951, P. 581; V. 54, NO. 4, OCT. 1958, PP. 552-53, 580, PL. 5; PP. 554-55, 58 |
| Reporter | Gere, W. |