# SLIP OR FALL OF PERSON
> MSHA accident `220090300009` · 01/14/2009 · Black Hills Energy
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from machine
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Getting on or off equipment
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 1.02 years
## Operator
- **Controller:** Black Hills Corp
- **Operator:** Black Hills Energy
- **Mine:** [4800083](https://api.ai-analytics.org/mine/4800083)
## Narrative

Employee slipped on track of track dozer while dismounting. Employee injured right knee and recieved perscription medication for pain. Employee was on restricted duty for two weeks.

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