# Northern Sand & Gravel
> **Metal/Non-metal** mine · MSHA ID `2100576` · Surface · **Intermittent**
## Operator
- **Controller (parent):** Knife River Corporation
- **Operator:** Strata Corp
- **Employees:** 8
- **Commodity:** SandAndGravel
## Location
- **State:** MN · Polk Co.
- **Coordinates:** 47.437777, -92.812777
## Safety record
- **Total accidents/injuries:** 6
- **Fatalities:** 0
- **Total days lost:** 210
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*