# Madden Materials Knowlton Plant
> **Metal/Non-metal** mine · MSHA ID `4105475` · Surface · **Active**
## Operator
- **Controller (parent):** Jose C Regalado; Sofia A Regalado
- **Operator:** Madden Materials 
- **Employees:** 3
- **Commodity:** Stone
## Location
- **State:** TX · Comal Co.
- **Coordinates:** 29.599576, -98.336884
## Safety record
- **Total accidents/injuries:** 2
- **Fatalities:** 0
- **Total days lost:** 10
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*