# FALL OF ROOF OR BACK
> MSHA accident `220172150003` · 08/01/2017 · C K Coal Corporation
## 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:** Anthony P  Cline
- **Operator:** C K Coal Corporation
- **Mine:** [4609362](https://api.ai-analytics.org/mine/4609362)
## Narrative

The fall occurred in the #1 return entry of Southwest Mains 70 ft inby survey station 970. The fall was in an intersection and measured 20 ft wide by 20 ft long by 8 ft thick. The fall did not impair ventilation and we do not intend to clean up the fall. It was blocked off by setting 8 breaker timbers in all entrances. No persons or equipment involved. Roof fall only.

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