| Location: | Ventura County, California, United States, North America |
| Lat / long: | 34.78443, -119.06287 |
| dep_id: | 10102219 |
| mrds_id: | I003008 |
| Commodity type: | nonmetallic |
| Major mineral: | Boron-Borates |
| Trace mineral: | Gypsum-Anhydrite |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Colemanite |
| gangue: | Gypsum |
| Reporter: | Orris, Greta J. |
| hrock_type: | Shale,Limestone |
| arock_type: | Basalt |
| Structure: | Extensive Folding And Faulting |
| Year first produced: | 1902 |
| disc_yr: | 1899 |
| prod_yrs: | 1902-1907, 1912-1913 |
| discr: | B.F. Stevens |
| References: |
|