# FALL OF ROOF OR BACK
> MSHA accident `220122780011` · 09/12/2012 · Canyon Fuel Company LLC
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** FALL OF ROOF OR BACK
- **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:** Canyon Fuel Company LLC
- **Mine:** [4201890](https://api.ai-analytics.org/mine/4201890)
## Narrative

A roof fall occurred in the gob area behind the longwall face of Gil 4 MMU 010-0 disrupting ventilation. Ventilation devices in the South Mains and Giil 4B cross over were damaged.

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