# SLIP OR FALL OF PERSON
> MSHA accident `220130520001` · 02/07/2013 · Canyon Fuel Company LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Examiner, Fire boss, Pre-shift examiner, Mine examiner
- **Activity:** Walking, Running
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 3
- **Mine experience:** 0.31 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Canyon Fuel Company LLC
- **Mine:** [4201566](https://api.ai-analytics.org/mine/4201566)
## Narrative

The mine was rock dusting when the employee went down to pre-shift. He was looking at the Roof and Ribs for hazards. Due to the rock dust being in the air, visibility was poor. Employee lost his footing and slipped and fell and strained his knee.

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