# FALL OF ROOF OR BACK
> MSHA accident `220113250058` · 11/10/2011 · Mingo Logan Coal 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:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Handling supplies or material
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** UPPER ARM/HUMERUS
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Mingo Logan Coal LLC
- **Mine:** [4609029](https://api.ai-analytics.org/mine/4609029)
## Narrative

Principal was preparing to drop in a track switch. As he was hanging a chain ratchet to drop the switch into position, a piece of draw rock fell from the top striking the injured in the left upper arm.

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