# DDM - Justin
> **Metal/Non-metal** mine · MSHA ID `4105809` · Surface · **Intermittent**
## Operator
- **Controller (parent):** Jake  Markwardt; Luke  Markwardt; David  Markwardt
- **Operator:** DDM Materials, Inc.
- **Employees:** 15
- **Commodity:** SandAndGravel
## Location
- **State:** TX · Denton Co.
- **Coordinates:** 33.09, -97.313056
## Safety record
- **Total accidents/injuries:** 0
- **Fatalities:** 0
- **Total days lost:** 0
---
*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*