# FALL OF ROOF OR BACK
> MSHA accident `220111090028` · 04/13/2011 · Pine Ridge Coal Company LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **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:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 0
- **Mine experience:** 0.1 years
## Operator
- **Controller:** Patriot Coal Corporation
- **Operator:** Pine Ridge Coal Company LLC
- **Mine:** [4607908](https://api.ai-analytics.org/mine/4607908)
## Narrative

Employee was roof bolting in the No.4 entry and had drilled the outside bolt hole when unsupported mine roof approximately 1' to 2' thick fell inby the roof bolter. A piece of the rock fell across the ATRS arm and broke and fell on the outby side of the ATRS and struck the employee on the left shoulder blade resulting in a laceration requiring sutures.

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