#  Ottawa Lake Quarry
> **Metal/Non-metal** mine · MSHA ID `2000041` · Surface · **Intermittent**
## Operator
- **Controller (parent):** CRH PLC
- **Operator:** Michigan Materials and Aggregates Co
- **Employees:** 32
- **Commodity:** Stone
## Location
- **State:** MI · Monroe Co.
- **Coordinates:** 41.750833, -83.666111
## Safety record
- **Total accidents/injuries:** 19
- **Fatalities:** 1
- **Total days lost:** 113
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*