# Glass Mountain Pumice
> **Metal/Non-metal** mine · MSHA ID `0404165` · Surface · **Active**
## Operator
- **Controller (parent):** Quikrete Holdings Inc.
- **Operator:** Monarch Mountain Minerals & Aggregates, LLC
- **Employees:** 7
- **Commodity:** Nonmetal
## Location
- **State:** CA · Modoc Co.
- **Coordinates:** 41.644444, -121.3275
## Safety record
- **Total accidents/injuries:** 6
- **Fatalities:** 0
- **Total days lost:** 71
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*