# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220120660035` · 02/24/2012 · Twin Star Mining, Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** UNCLASSIFIED
- **Days lost:** 10
- **Mine experience:** 0.02 years
## Operator
- **Controller:** Alpha Natural Resources, Inc.
- **Operator:** Twin Star Mining, Inc.
- **Mine:** [4403658](https://api.ai-analytics.org/mine/4403658)
## Narrative

Stepped on rock covered with mud and slipped.

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