# Beckmann Quarry 
> **Metal/Non-metal** mine · MSHA ID `4101335` · Surface · **Active**
## Operator
- **Controller (parent):** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials Southwest LLC
- **Employees:** 230
- **Commodity:** Stone
## Location
- **State:** TX · Bexar Co.
- **Coordinates:** 29.570278, -98.650833
## Safety record
- **Total accidents/injuries:** 57
- **Fatalities:** 0
- **Total days lost:** 1200
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*