# FALL OF ROOF OR BACK
> MSHA accident `220143320006` · 11/20/2014 · Enterprise 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:** —
- **Mine experience:** — years
## Operator
- **Controller:** Alpha Natural Resources, Inc.
- **Operator:** Enterprise Mining Company, LLC
- **Mine:** [1519116](https://api.ai-analytics.org/mine/1519116)
## Narrative

On 11/20/14 a roof fall occurred on the 003 MMU, #5 entry, 1 break in by SS#6763 resulting in 2 MRS units being trapped. Fall occurred on pillar section in pillar line. #3 MRS equipment failure was the cause of the fall.

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