# GREBNER-OLESON PIT
> **Metal/Non-metal** mine · MSHA ID `1301615` · Surface · **Active**
## Operator
- **Controller (parent):** NG Operations LLC
- **Operator:** Gold Bond Building Products, LLC
- **Employees:** 14
- **Commodity:** Nonmetal
## Location
- **State:** IA · Webster Co.
- **Coordinates:** 42.523056, -94.089722
## Safety record
- **Total accidents/injuries:** 6
- **Fatalities:** 0
- **Total days lost:** 650
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*