# FALL OF ROOF OR BACK
> MSHA accident `220100740006` · 02/22/2010 · Pinnacle Mining Company LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Continuous miner helper, Coal mole helper, Bridgeman
- **Activity:** Continuous miner
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** NECK
- **Days lost:** 136
- **Mine experience:** 3.29 years
## Operator
- **Controller:** Cleveland-Cliffs Inc
- **Operator:** Pinnacle Mining Company LLC
- **Mine:** [4601816](https://api.ai-analytics.org/mine/4601816)
## Narrative

A piece of roof rock measuring approximately 22"" x 43"" x 1"" thick fell out between 2 roof bolts on the 9E working section and struck an employee on top of his hard hat. Employee didn't miss any work due to this incident until 3/05/2010.

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