# MACHINERY
> MSHA accident `220041280004` · 05/05/2004 · J R Simplot Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Ledgeman/hand, Quarry man
- **Activity:** Hand tools (powered)
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 47
- **Mine experience:** 5.69 years
## Operator
- **Controller:** Scott  Simplot
- **Operator:** J R Simplot Company
- **Mine:** [1001590](https://api.ai-analytics.org/mine/1001590)
## Narrative

Removing rocks with a Jack Hammer on mine access road. Strained back when moving Jack Hammer.

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