# FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
> MSHA accident `220113270022` · 11/13/2011 · Kennecott Utah Copper LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
- **Accident type:** Struck by falling object
- **Occupation:** Drill helper
- **Activity:** Machine maintenance
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** THIGH/FEMUR
- **Days lost:** 0
- **Mine experience:** 0.25 years
## Operator
- **Controller:** Rio Tinto Group
- **Operator:** Kennecott Utah Copper LLC
- **Mine:** [4200149](https://api.ai-analytics.org/mine/4200149)
## Narrative

While connecting a hose to the well head on a horizontal drain well, a melon sized rock fell off the highwall.  The rock struck the employee in the right thigh, causing a laceration and bruising.

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