# FALL OF ROOF OR BACK
> MSHA accident `220212780020` · 09/28/2021 · Bronco Utah Operations, LLC.
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** —
- **Mine experience:** — years
## Operator
- **Controller:** Bronco Coal Resources, LLC
- **Operator:** Bronco Utah Operations, LLC.
- **Mine:** [4200079](https://api.morvs.ai/mine/4200079)
## Narrative

An unplanned Roof Fall occurred - 1st West Pillar Section between XC 17 & 18 - #9 Entry, inby the loading point. Approximately 17 by 20 and 4.5 high. No one was injured or entrapped and no ventilation was interrupted. Preliminary diagnoses; Cable Bolts were being installed to replace Floor to Roof Supports. When 2 timbers were knocked out with the ATRS the fall occurred.

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