# SLIP OR FALL OF PERSON
> MSHA accident `220163550021` · 12/09/2016 · Marfork Coal Company, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Belt vulcanizer
- **Activity:** Walking, Running
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 137
- **Mine experience:** 0.23 years
## Operator
- **Controller:** Alpha Natural Resources Holdings, Inc
- **Operator:** Marfork Coal Company, LLC
- **Mine:** [4609048](https://api.ai-analytics.org/mine/4609048)
## Narrative

While traveling through a mandoor, employee tripped and fell twisting knee.

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