# Mine accident
> MSHA accident `220032670038` · 09/16/2003 · Lone Mountain Processing LLC
## Details
- **Degree of injury:** —
- **Classification:** —
- **Accident type:** No Value Found
- **Occupation:** —
- **Activity:** Roof bolter, Drilling
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Ashland Inc
- **Operator:** Lone Mountain Processing LLC
- **Mine:** [1502263](https://api.ai-analytics.org/mine/1502263)
## Narrative

WHILE DRILLING A HOLE FOR A ROOF BOLT, A SHARP EDGED PIECE OF ROCK (APPROX. 6""DIAMETER BY ZERO TO 1/2""THICK) FELL FROM THE ROOF AND STRUCK THE ROTATING DRILL HEAD THROWING THE PIECE OF ROCK INTO HIS CHEST.

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