# MACHINERY
> MSHA accident `220041750019` · 06/01/2004 · Curtis Sand & Gravel
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by powered moving object
- **Occupation:** Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator
- **Activity:** Machine maintenance
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** CRUSHING
- **Body part:** LEG, NEC
- **Days lost:** 261
- **Mine experience:** 7 years
## Operator
- **Controller:** Canyon Country Enterprises
- **Operator:** Curtis Sand & Gravel
- **Mine:** [0401950](https://api.ai-analytics.org/mine/0401950)
## Narrative

Injured workers were attempting to dislodge a rock from the jaw crusher and were using an excavator to lift the rock with when the hydraulic lock on the excavator bucket released and the bucket fell onto the top of the jaw crusher and slid over on to the workers.

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