# FALL OF ROOF OR BACK
> MSHA accident `220123400002` · 12/03/2012 · 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:** [4609108](https://api.ai-analytics.org/mine/4609108)
## Narrative

Unplanned roof fall occurred outby Spad #1118 and one crosscut outby #1 seal. Fall was approximately 35 feet long X 19 feet wide X14 to 16 feet in height. Unplanned fall occurred in the number 7 entry. No injuries or entrapment involved. No escape way, ventilation, walkway, or  equipment involved. The unplanned roof fall was on northeast mains.

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