# MACHINERY
> MSHA accident `220022520112` · 09/03/2002 · San Juan Coal Company
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck against a moving object
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Bulldozer
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** DISLOCATION
- **Body part:** CHEST (RIBS/BREAST BONE/CHEST ORGNS)
- **Days lost:** —
- **Mine experience:** — years
## Operator
- **Controller:** BHP Billiton
- **Operator:** San Juan Coal Company
- **Mine:** [2901825](https://api.ai-analytics.org/mine/2901825)
## Narrative

WHILE BACKING DOZER AND LOOKING OVER SHOULDER, DOZER BACKED INTO AN UNEVEN AREA, CAUSING MACHINE TO JERK. OPERATOR TWISTED AND FELT PAIN IN UPPER BACK.

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