# SLIP OR FALL OF PERSON
> MSHA accident `220113630008` · 12/21/2011 · Black Hills Lignite A Limited Liability Co
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Walking, Running
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 19
- **Mine experience:** 0.1 years
## Operator
- **Controller:** Thomas A  Thorson
- **Operator:** Black Hills Lignite A Limited Liability Co
- **Mine:** [4801475](https://api.ai-analytics.org/mine/4801475)
## Narrative

EE was walking out to diesel tank when he slipped on ice and may have done internal damage to right knee by twisting it.  Diagnostic testing will be done on January 5th, 2012 by an orthopedist.

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