# FALL OF ROOF OR BACK
> MSHA accident `220113260040` · 11/17/2011 · Mammoth Coal Co.
## 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:** Alpha Natural Resources, Inc.
- **Operator:** Mammoth Coal Co.
- **Mine:** [4609108](https://api.ai-analytics.org/mine/4609108)
## Narrative

Unplanned roof fall occurred break #13 #6 entry - in old #6 belt panel. Inby spad 1750. Approximately 20 ft wide X 20 ft long X 18 ft high. No injuries or entrapment involved. No ventilation, equipment, escapeway or travelway involved.

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