# FALL OF ROOF OR BACK
> MSHA accident `220162390029` · 08/14/2016 · Mingo Logan Coal LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Longwall operator, Chock operator, Shear operator, Plow operator
- **Activity:** Longwall, Shear, Plow
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 452
- **Mine experience:** 5 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Mingo Logan Coal LLC
- **Mine:** [4609029](https://api.ai-analytics.org/mine/4609029)
## Narrative

While employee was setting bits on the longwall shearer, a rock approximately 4"" thick x 3' wide x 7' long rolled out of the top striking the employee. 

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