# FALL OF ROOF OR BACK
> MSHA accident `220110320035` · 01/31/2011 · 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:** Massey Energy Company
- **Operator:** Mammoth Coal Co.
- **Mine:** [4609221](https://api.ai-analytics.org/mine/4609221)
## Narrative

Unplanned roof fall occurred inby feeder on MMU 004-0, from 7 right crosscut to the #9 entry. Fall was approximately 95 ft length, 19 ft wide and 8 ft in height. No injuries, entrapment or equipment involved. Last open crosscut ventilation affected and travel way. Developed 1/31/2011.

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