# FALL OF ROOF OR BACK
> MSHA accident `220111580034` · 06/01/2011 · Elk Run Coal Company, LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Continuous miner operator, Coal mole operator
- **Activity:** Continuous miner
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** THIGH/FEMUR
- **Days lost:** 0
- **Mine experience:** 1 years
## Operator
- **Controller:** Alpha Natural Resources, Inc.
- **Operator:** Elk Run Coal Company, LLC
- **Mine:** [4608384](https://api.ai-analytics.org/mine/4608384)
## Narrative

The miner operator was backing the machine out to set over when a piece of rock approximately 4' X 4 1/2' X 3/4 to 3"" thick fell from between bolts onto the miner and broke apart. The rock slid off the machine striking his left knee area. Doctors place him on restricted duty for two working days.

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