# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220123070017` · 10/23/2012 · Oak Grove Resources LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Machine maintenance
- **Injury source:** CEMENT PROD,CONCRET BLOCK
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** KNEE/PATELLA
- **Days lost:** 169
- **Mine experience:** 2.19 years
## Operator
- **Controller:** Cleveland-Cliffs Inc
- **Operator:** Oak Grove Resources LLC
- **Mine:** [0100851](https://api.ai-analytics.org/mine/0100851)
## Narrative

Employee tripped over a stack of blocks and fractured his knee.

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