# MACHINERY
> MSHA accident `220042290057` · 07/31/2004 · Black Hawk Mining
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Drilling
- **Injury source:** DRILL STEEL (ALL SIZES)
- **Nature of injury:** MULTIPLE INJURIES
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 13
- **Mine experience:** 0.02 years
## Operator
- **Controller:** White Mountain Mining Co., LLC
- **Operator:** Black Hawk Mining
- **Mine:** [4607191](https://api.ai-analytics.org/mine/4607191)
## Narrative

EMPLOYEE WAS BOLTING TOP. AFTER FINISHING DRILLING HOLE, EMPLOYEE DROPPED PINNER HEAD AND STEEL FELL OUT AND STRUCK LEFT HAND.

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