# ENTRAPMENT
> MSHA accident `220122020021` · 07/12/2012 · Mountain Coal Company, L.L.C.
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** ENTRAPMENT
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Mountain Coal Company, L.L.C.
- **Mine:** [0503672](https://api.ai-analytics.org/mine/0503672)
## Narrative

While operator was conducting a shaft inspection from the hoist inspection deck, a tree struck the surface power line causing an underground power outage.  The person performing the shaft inspection was unable to leave the hoist until power was restored approximately 45 minutes later.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*