# FALL OF ROOF OR BACK
> MSHA accident `220110970030` · 04/06/2011 · 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 initially bolted with 4' FG Resin Bolts. Cutter started working along left rib of L-2 Entry on 4/5/11. Supplemental supports added at that time 6' Supertwist TT Bolts and 12' cable bolts. A 20 foot unbolted cut fell in and the entry outby was center cribbed. Roof fall extended another 20' bolted with 4' FG Resin bolts. (40'L x 19.5'W x 4.5'H).

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