# Portable Crusher #1
> **Metal/Non-metal** mine · MSHA ID `0504202` · Surface · **Abandoned**
## Operator
- **Controller (parent):** Jeffrey W  Keller; John M  Keller
- **Operator:** Asphalt Paving Company
- **Employees:** —
- **Commodity:** SandAndGravel
## Location
- **State:** CO · Jefferson Co.
## Safety record
- **Total accidents/injuries:** 1
- **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*