# Concrete, Inc DBA Knife River
> **Metal/Non-metal** mine · MSHA ID `0405140` · Surface · **Active**
## Operator
- **Controller (parent):** Knife River Corporation
- **Operator:** Knife River
- **Employees:** 8
- **Commodity:** SandAndGravel
## Location
- **State:** CA · San Joaquin Co.
- **Coordinates:** 38.160556, -121.021944
## Safety record
- **Total accidents/injuries:** 22
- **Fatalities:** 0
- **Total days lost:** 13
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*