# METRO PORTABLE #4
> **Metal/Non-metal** mine · MSHA ID `3500495` · Surface · **Intermittent**
## Operator
- **Controller (parent):** Knife River Corporation
- **Operator:** Knife River Corporation-Northwest
- **Employees:** 3
- **Commodity:** SandAndGravel
## Location
- **State:** WA · Cowlitz Co.
- **Coordinates:** 46.046111, -122.843056
## Safety record
- **Total accidents/injuries:** 10
- **Fatalities:** 0
- **Total days lost:** 141
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*