# MACHINERY
> MSHA accident `220070680026` · 02/28/2007 · Raven Crest Contracting, LLC
## 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:** Bulldozer
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 1
- **Mine experience:** 1.54 years
## Operator
- **Controller:** John M  Potter; Thomas A  Potter
- **Operator:** Raven Crest Contracting, LLC
- **Mine:** [4609070](https://api.ai-analytics.org/mine/4609070)
## Narrative

Backed over a big rock, hit hard and jarred lower back - did not seek medical treatment until 3/2/07.

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