# FALL OF ROOF OR BACK
> MSHA accident `220122890012` · 10/10/2012 · 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:** [4609237](https://api.ai-analytics.org/mine/4609237)
## Narrative

Unplanned roof fall occurred at #18 Break on Old Belt, #1 Entry in intersection. Fall was approx. 20' W. x 20' L. x 8' H. no injuries, entrapment or Eq. involved. No escape way, ventilation or travelway affected.

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