# Riverdale Quarry
> **Metal/Non-metal** mine · MSHA ID `2800001` · Surface · **Intermittent**
## Operator
- **Controller (parent):** Roger  Mahan; Gary  Mahan
- **Operator:** Riverdale Quarry LLC
- **Employees:** 57
- **Commodity:** Stone
## Location
- **State:** NJ · Morris Co.
- **Coordinates:** 40.998333, -74.307778
## Safety record
- **Total accidents/injuries:** 22
- **Fatalities:** 0
- **Total days lost:** 79
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*