# POWERED HAULAGE
> MSHA accident `220140910029` · 03/21/2014 · Bridger Coal Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** POWERED HAULAGE
- **Accident type:** Struck against a moving object
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Scraper, Pan scraper
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 0.15 years
## Operator
- **Controller:** MidAmerican Energy Holdings Company; IDACORP
- **Operator:** Bridger Coal Company
- **Mine:** [4800677](https://api.ai-analytics.org/mine/4800677)
## Narrative

Employee was operating 625 scraper when he ran over a large rock that was barely covered with dirt. After he passed over the rock, the right front tire of the scraper fell off the rock and dropped suddenly. Employee was thrown upward, and then slammed down, bottoming out the seat. He then experienced severe pain in his lower back.

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