# ERM Rock
> **Metal/Non-metal** mine · MSHA ID `0405368` · Surface · **Intermittent**
## Operator
- **Controller (parent):** Robert C  McLaughlin; Michael J  McLaughlin
- **Operator:** Eureka Ready Mix Concrete Co Inc
- **Employees:** 2
- **Commodity:** SandAndGravel
## Location
- **State:** CA · Humboldt Co.
- **Coordinates:** 40.540278, -124.146667
## Safety record
- **Total accidents/injuries:** 1
- **Fatalities:** 0
- **Total days lost:** 8
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*