# FALL OF ROOF OR BACK
> MSHA accident `220091390042` · 05/18/2009 · 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:** [4609108](https://api.ai-analytics.org/mine/4609108)
## Narrative

An unplanned roof fall occurred in #2 Gas Mine that measured approx. 19' wide x 19' long x 12 to 13' high. This is a continutation of a fall that occurred on 9-6-08. No injuries reported. Area was developed on 3-25-08.

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