# FALL OF ROOF OR BACK
> MSHA accident `220190710002` · 03/09/2019 · Canyon Fuel Company LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by concussion
- **Occupation:** Longwall operator, Chock operator, Shear operator, Plow operator
- **Activity:** Longwall, Shear, Plow
- **Injury source:** LONGWALL SUPT,JKS & CHOCK
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 37
- **Mine experience:** 1.23 years
## Operator
- **Controller:** Wolverine Fuels LLC
- **Operator:** Canyon Fuel Company LLC
- **Mine:** [4200089](https://api.ai-analytics.org/mine/4200089)
## Narrative

EE was setting shield sprag, when the initial cave behind longwall happened. The air pressure knocked EE off EE's feet and EE landed on EE's back on shield toe.

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