# MACHINERY
> MSHA accident `220062500017` · 08/24/2006 · Raven Crest Contracting, LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck against a moving object
- **Occupation:** Rotary bucket excavator operator
- **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:** 0
- **Mine experience:** 3.35 years
## Operator
- **Controller:** John M  Potter; Thomas A  Potter
- **Operator:** Raven Crest Contracting, LLC
- **Mine:** [4609070](https://api.ai-analytics.org/mine/4609070)
## Narrative

ON 8/24/06, WHILE OPERATING AN EXCAVATOR AND PRYING ROCK OFF WALL, EQUIPMENT TRACK LIFTED FROM GROUND.  WHEN ROCK FELL, TRACK RETURNED TO GROUND JARRING THE OPERATOR.  Employee DID NOT SEEK MEDICAL TREATMENT UNTIL 8/28/06.

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