# Lake Herman Quarry
> **Metal/Non-metal** mine · MSHA ID `0400726` · Surface · **Active**
## Operator
- **Controller (parent):** Vulcan Materials Company
- **Operator:** CalMat Co
- **Employees:** 68
- **Commodity:** Stone
## Location
- **State:** CA · Solano Co.
- **Coordinates:** 38.117222, -122.181111
## Safety record
- **Total accidents/injuries:** 48
- **Fatalities:** 1
- **Total days lost:** 814
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*