# HSS Q Portable Plant 2
> **Metal/Non-metal** mine · MSHA ID `2301918` · Surface · **Intermittent**
## Operator
- **Controller (parent):** CRH PLC
- **Operator:** Holliday Sand & Gravel
- **Employees:** 6
- **Commodity:** Stone
## Location
- **State:** MO · St Clair Co.
- **Coordinates:** 37.902778, -94.048333
## Safety record
- **Total accidents/injuries:** 18
- **Fatalities:** 0
- **Total days lost:** 154
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*