# MACHINERY
> MSHA accident `220120270029` · 01/24/2012 · Pinnacle Mining Company LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by flying object
- **Occupation:** Shuttle car operator, Mantrip operator, Ramcar operator, Rail runner, Buggy operator
- **Activity:** Observe operations
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** LOWER LEG/TIBIA/FIBULA
- **Days lost:** 19
- **Mine experience:** 31.5 years
## Operator
- **Controller:** Cleveland-Cliffs Inc
- **Operator:** Pinnacle Mining Company LLC
- **Mine:** [4601816](https://api.ai-analytics.org/mine/4601816)
## Narrative

A rock had fallen onto the continuous miner.  The miner was backed out of the face to the intersection of the LOB where the rock was removed.  When the ripper heads were engaged to break up the rock, they kicked out a piece of debris which struck the employee in the calf portion of the right leg.

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