# Colombo Mine
> **Metal/Non-metal** mine · MSHA ID `0405951` · Underground · **Abandoned**
## Operator
- **Controller (parent):** Sierra Resources, LLC; Elli M Mills
- **Operator:** Sierra Minerals, LLC
- **Employees:** 0
- **Commodity:** Metal
## Location
- **State:** CA · Sierra Co.
- **Coordinates:** 39.661111, -120.675
## Safety record
- **Total accidents/injuries:** 1
- **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*