# FALL OF ROOF OR BACK
> MSHA accident `220112450031` · 08/10/2011 · Armstrong Coal Company, Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 105
- **Mine experience:** 0.69 years
## Operator
- **Controller:** Armstrong Energy Inc
- **Operator:** Armstrong Coal Company, Inc.
- **Mine:** [1519358](https://api.ai-analytics.org/mine/1519358)
## Narrative

Employee was roof bolting in the face of #8 entry on the #1 unit when a piece of rock, measuring approximately 3ft. long by 2ft wide x by 1 inch thick, fell from the mine roof striking his mid to lower back causing his elbow to strike the panic strip on the roof bolter. The became a Lost Time Accident on August 25, 2011.

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