# Greenback Quarry
> **Metal/Non-metal** mine · MSHA ID `4002488` · Surface · **Active**
## Operator
- **Controller (parent):** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Southeast Agg Operations, LLC
- **Employees:** 14
- **Commodity:** Stone
## Location
- **State:** TN · Loudon Co.
- **Coordinates:** 35.713056, -84.2025
## Safety record
- **Total accidents/injuries:** 4
- **Fatalities:** 0
- **Total days lost:** 22
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*