# Greenstone Materials Quarry
> **Metal/Non-metal** mine · MSHA ID `0403299` · Surface · **Active**
## Operator
- **Controller (parent):** Rich  Holt
- **Operator:** Greenstone Materials, Inc.
- **Employees:** 2
- **Commodity:** SandAndGravel
## Location
- **State:** CA · Orange Co.
- **Coordinates:** 33.557778, -117.545278
## 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*