# G E M Materials Inc
> **Metal/Non-metal** mine · MSHA ID `4101903` · Surface · **Active**
## Operator
- **Controller (parent):** Janice  Friesenhahn
- **Operator:** G E M Materials Inc
- **Employees:** 7
- **Commodity:** SandAndGravel
## Location
- **State:** TX · Bexar Co.
- **Coordinates:** 29.968333, -98.303333
## Safety record
- **Total accidents/injuries:** 0
- **Fatalities:** 0
- **Total days lost:** 0
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*