# SLIP OR FALL OF PERSON
> MSHA accident `220121870018` · 05/24/2012 · Colowyo Coal Company L P
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Driller, Highwall operator, Highwall drill operator
- **Activity:** Other, NEC
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 6
- **Mine experience:** 22 years
## Operator
- **Controller:** Western Fuels Assoc Inc; Tri-State Generation & Transmission Assn Inc
- **Operator:** Colowyo Coal Company L P
- **Mine:** [0502962](https://api.ai-analytics.org/mine/0502962)
## Narrative

Employee kicking in drill holes reported twisting knee. Off site doctor conducted exam, no injury but follow up testing scheduled. Follow up results of exam on July 3, 2012 showed a tear in employees right knee. Unknown at time of report if any further action to be taken.

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