# Portable Rock Drill #317
> **Metal/Non-metal** mine · MSHA ID `1301109` · Surface · **Abandoned**
## Operator
- **Controller (parent):** Manatts Enterprises; Cedar Valley Corp
- **Operator:** BMC Aggregates LC
- **Employees:** 0
- **Commodity:** SandAndGravel
## Location
- **State:** IA · Black Hawk Co.
- **Coordinates:** 42.8475, -92.073056
## Safety record
- **Total accidents/injuries:** 6
- **Fatalities:** 0
- **Total days lost:** 68
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*