# MACHINERY
> MSHA accident `220031220037` · 04/21/2003 · Black Hawk Mining
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck against stationary object
- **Occupation:** Continuous miner operator, Coal mole operator
- **Activity:** Continuous miner
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 20
- **Mine experience:** 0.11 years
## Operator
- **Controller:** White Mountain Mining Co., LLC
- **Operator:** Black Hawk Mining
- **Mine:** [4607191](https://api.ai-analytics.org/mine/4607191)
## Narrative

EMPLOYEE WAS MOVING MINER WHEN HE HIT HIS R KNEE ON A ROCK, CAUSING IT TO SWELL.

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