# FALL OF ROOF OR BACK
> MSHA accident `220232190033` · 08/01/2023 · 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.ai-analytics.org/mine/4200079)
## Narrative

An unplanned Roof Fall occurred at an unknown time. Right Return Air Course of Main West, Entry #6  XC 21. Approximately 5 ft. wide by 6 ft. long and 4.5 ft high. It is NOT at or above the anchorage, but has impeded travel. No injuries, entrapment and no ventilation interruption.  Preliminary diagnoses; Strata failure due to deterioration of the seam transition area.

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