# FALL OF ROOF OR BACK
> MSHA accident `220073030001` · 10/22/2007 · 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:** [3609005](https://api.ai-analytics.org/mine/3609005)
## Narrative

Roof fall found by examiner in worked out area of Main A 4 two and one-half cross-cuts outby spad 2769. Fall measurements undeterminable. Roof supported with 4' fully grouted resin bolts (4 bolts across) with 6' x 6' plates. No known defects. Bottom heave contributing factor.

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