# FALL OF ROOF OR BACK
> MSHA accident `220111450027` · 05/18/2011 · 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

An Unplanned roof fall has occurred in the #6 entry between crosscuts 13 and 14. (#5belt) 4' to 6' thick X 17' wide X 30' long. timbered and dangered off 2 days prior to the roof fall, no injuries involved with fall and the fall did not affect ventilation of travel ways.

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