# Keestrack Frontier Screen
> **Metal/Non-metal** mine · MSHA ID `3304775` · Surface · **Temporarily Idled**
## Operator
- **Controller (parent):** National Lime & Stone Co.
- **Operator:** NLS Asphalt, Inc.
- **Employees:** 2
- **Commodity:** Stone
## Location
- **State:** OH · Hancock Co.
- **Coordinates:** 40.265833, -81.652778
## Safety record
- **Total accidents/injuries:** 0
- **Fatalities:** 0
- **Total days lost:** 0
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*