# Harmony Sand & Gravel Inc Pl #1
> **Metal/Non-metal** mine · MSHA ID `2800562` · Surface · **Active**
## Operator
- **Controller (parent):** Gavin  Hummer; Colton  Hummer
- **Operator:** Harmony Sand & Gravel Inc
- **Employees:** 8
- **Commodity:** SandAndGravel
## Location
- **State:** NJ · Warren Co.
- **Coordinates:** 40.776667, -75.105278
## Safety record
- **Total accidents/injuries:** 8
- **Fatalities:** 0
- **Total days lost:** 727
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*