# MACHINERY
> MSHA accident `220112360022` · 08/19/2011 · Westmoreland San Juan Mining LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Bull gang foreman, Labor foreman, Leadman, Section foreman, Shift boss
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** MULTIPLE INJURIES
- **Body part:** KNEE/PATELLA
- **Days lost:** 4
- **Mine experience:** 10.23 years
## Operator
- **Controller:** BHP Billiton
- **Operator:** Westmoreland San Juan Mining LLC
- **Mine:** [2902170](https://api.ai-analytics.org/mine/2902170)
## Narrative

While mining in 302 LW, a shield started to drop from the roof with out warning. Employee was walking toward the shield to reset it to the roof, the next shield (closest to TG) started to drop. Rocks and other materials started falling from the top of shield hitting employee's right leg, causing abrasion and intense pain in his knee.

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