# FALL OF ROOF OR BACK
> MSHA accident `220171670002` · 06/06/2017 · 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:** —
- **Mine experience:** — years
## Operator
- **Controller:** Wolverine Fuels LLC
- **Operator:** Canyon Fuel Company LLC
- **Mine:** [4200089](https://api.ai-analytics.org/mine/4200089)
## Narrative

Roof fall occurred in the 3RWL longwall bleeder in 3 entry @ 7 x-cut. It is uncertain when the fall occurred as it was 150' behind LW face and no person witnessed the fall. The fall measured approximately 21'x 60'x 14'high. The area out-by was supported with double-row of wood cribs. MPLs for weekly exams of the bleeder have been set and approved by MSHA at x-cut #6 & 11.

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