# American Black Quarry
> **Metal/Non-metal** mine · MSHA ID `3605508` · Surface · **Active**
## Operator
- **Controller (parent):** Polycor Inc
- **Operator:** Pennsylvania Granite Corp.
- **Employees:** 16
- **Commodity:** Stone
## Location
- **State:** PA · Chester Co.
- **Coordinates:** 40.175556, -75.751667
## Safety record
- **Total accidents/injuries:** 33
- **Fatalities:** 0
- **Total days lost:** 276
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*