# MACHINERY
> MSHA accident `220091830012` · 06/25/2009 · Powers Stone Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck against a moving object
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Power shovel, Dragline
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 67
- **Mine experience:** 6.73 years
## Operator
- **Controller:** Ronald J Powers; Mark  Powers
- **Operator:** Powers Stone Inc
- **Mine:** [3608076](https://api.ai-analytics.org/mine/3608076)
## Narrative

Employee sustained low back strain injury when the excavator he was operating lifted slightly off ground and then came down hard, jarring employee.

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