# Yosemite Slate Quarry 
> **Metal/Non-metal** mine · MSHA ID `0400357` · Surface · **Intermittent**
## Operator
- **Controller (parent):** David R  Butler
- **Operator:** Mariposa Yosemite Slate Quarry
- **Employees:** 6
- **Commodity:** Stone
## Location
- **State:** CA · Mariposa Co.
- **Coordinates:** 37.483611, -120.020833
## Safety record
- **Total accidents/injuries:** 1
- **Fatalities:** 0
- **Total days lost:** 11
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*