# SLIP OR FALL OF PERSON
> MSHA accident `220120410025` · 02/03/2012 · Cordero Mining LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Walking, Running
- **Injury source:** WORKING SURF OUTSIDE,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 42
- **Mine experience:** 1.06 years
## Operator
- **Controller:** Cloud Peak Energy Resources LLC
- **Operator:** Cordero Mining LLC
- **Mine:** [4800992](https://api.ai-analytics.org/mine/4800992)
## Narrative

Employee states, ""Tripped while returning to my truck after fueling, stepped wrong and twisted my knee."" Walking surface was flat, clear of debris, dry and illuminated at the time of the incident.

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