# PORTABLE PLANT # 9
> **Metal/Non-metal** mine · MSHA ID `3200990` · Surface · **Temporarily Idled**
## Operator
- **Controller (parent):** Knife River Corporation
- **Operator:** STRATA CORPORATION
- **Employees:** 2
- **Commodity:** SandAndGravel
## Location
- **State:** MT · Richland Co.
- **Coordinates:** 47.8675, -104.081667
## Safety record
- **Total accidents/injuries:** 1
- **Fatalities:** 0
- **Total days lost:** 14
---
*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*