# MACHINERY
> MSHA accident `220092020008` · 07/10/2009 · Vermont Structural Slate Company Inc
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Surface equipment, NEC
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 20
- **Mine experience:** 15 years
## Operator
- **Controller:** Craig E  Markcrow
- **Operator:** Vermont Structural Slate Company Inc
- **Mine:** [4300059](https://api.ai-analytics.org/mine/4300059)
## Narrative

Employee was drilling rock when he says he turned and felt his knee twist.

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