# FALL OF ROOF OR BACK
> MSHA accident `220091320016` · 05/04/2009 · AMFIRE Mining Company LLC
## 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:** AMFIRE Mining Company LLC
- **Mine:** [3609127](https://api.ai-analytics.org/mine/3609127)
## Narrative

Roof fall found by mine examiner during pre-shift of section. Roof fall measured 60-ft long X 20-ft wide X 9.5-ft high located between two intersections on the beltline. Clay veins discovered initial mining. Roof supported with 6-ft Super Twist Bolts (torque tension) with six bolts across on three foot advance with cable bolts located at the edges of the intersections.

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