# Backbone Quarry
> **Metal/Non-metal** mine · MSHA ID `0302053` · Surface · **Active**
## Operator
- **Controller (parent):** Melinda S  Kemp; James A  Kemp
- **Operator:** River Valley Quarries LLC
- **Employees:** 9
- **Commodity:** Stone
## Location
- **State:** AR · Sebastian Co.
- **Coordinates:** 35.136389, -94.332222
## Safety record
- **Total accidents/injuries:** 1
- **Fatalities:** 0
- **Total days lost:** 9
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*