# MACHINERY
> MSHA accident `220120130016` · 01/09/2012 · Oak Grove Resources LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** DRILL STEEL (ALL SIZES)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 0.62 years
## Operator
- **Controller:** Cleveland-Cliffs Inc
- **Operator:** Oak Grove Resources LLC
- **Mine:** [0100851](https://api.ai-analytics.org/mine/0100851)
## Narrative

While bolting the tip of the drill broke and hit him on his thumb.  This caused a sprain.

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