# ANTONIA (CS56)
> **Metal/Non-metal** mine · MSHA ID `2301957` · Surface · **Active**
## Operator
- **Controller (parent):** Riverstone Group
- **Operator:** Central Stone Company
- **Employees:** 10
- **Commodity:** Stone
## Location
- **State:** MO · Jefferson Co.
- **Coordinates:** 38.368056, -90.480278
## Safety record
- **Total accidents/injuries:** 11
- **Fatalities:** 0
- **Total days lost:** 324
---
*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*