# FALL OF ROOF OR BACK
> MSHA accident `220112580003` · 09/13/2011 · Knox Creek Coal Corporation
## 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:** Knox Creek Coal Corporation
- **Mine:** [4406804](https://api.ai-analytics.org/mine/4406804)
## Narrative

ON 9/13/11 EE WAS IN NO. 1 SUB MAINS WHEN HE FOUND A ROOF FALL ONE BREAK IN BY SPAD NO 9683 PANEL NO 7. THE FALL WAS 80 FT LONG BY 20 FT WIDE BY 7FT HI. THIS AREA IS BOLTED WITH 6 FT TORQUE TENSION BOLTS. THIS FALL IS 13,400 FT FROM THE FACE.

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