# Sierra Silica Resources
> **Metal/Non-metal** mine · MSHA ID `0405879` · Surface · **Active**
## Operator
- **Controller (parent):** Morris Ravine Industrial Minerals LLC; Pinnacle Aggregates LLC; Mining a
- **Operator:** Industrial Silica Products, LLC
- **Employees:** 30
- **Commodity:** Nonmetal
## Location
- **State:** CA · Butte Co.
- **Coordinates:** 39.476389, -121.566389
## Safety record
- **Total accidents/injuries:** 0
- **Fatalities:** 0
- **Total days lost:** 0
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*