# FALL OF ROOF OR BACK
> MSHA accident `220103360028` · 12/01/2010 · 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:** [4609148](https://api.ai-analytics.org/mine/4609148)
## Narrative

Unplanned roof fall was discovered at 47 crosscut along 17 belt in the neutral airway entry. Fall was approximately 20 ft length X 20 ft wide X 4-6 ft in height. No injuries, equipment, ventilation or passageway affected. Area developed 7/08. Fall will dangered off and crib/timbers set around the fall.

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