# SLIP OR FALL OF PERSON
> MSHA accident `220120720032` · 02/27/2012 · Borealis Mining Company
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Machine maintenance
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.23 years
## Operator
- **Controller:** Gryphon Gold Corporation
- **Operator:** Borealis Mining Company
- **Mine:** [2601655](https://api.ai-analytics.org/mine/2601655)
## Narrative

An employee was removing material from the top of a tail pulley conveyor guard, the employee had his left knee rested on the tail pulley guard and his right foot on the tow bar of that conveyor. The employees right foot slipped and contacted the ground causing the employee to twist his right knee. The employee's right foot was approximately 1' of the ground.

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