# Schoolhouse Research & Development
> **Metal/Non-metal** mine · MSHA ID `3102001` · Surface · **Abandoned**
## Operator
- **Controller (parent):** Covia Holdings LLC
- **Operator:** Unimin Corp
- **Employees:** 0
- **Commodity:** Nonmetal
## Location
- **State:** NC · Avery Co.
- **Coordinates:** 35.945917, -82.00263
## 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*