# MACHINERY
> MSHA accident `220110320025` · 01/25/2011 · Chevron Mining Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Ledgeman/hand, Quarry man
- **Activity:** Drill face, Rib, Side, Down
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 0.46 years
## Operator
- **Controller:** Chevron Corporation
- **Operator:** Chevron Mining Inc
- **Mine:** [2901267](https://api.ai-analytics.org/mine/2901267)
## Narrative

While employee was drilling, the jackleg sunk into the mud getting stuck.  While responding to this situation, employee hurt his lower back.  Employee did not experience pain immediately.  No days missed, restricted work only.

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