# FALL OF ROOF OR BACK
> MSHA accident `220152640037` · 09/16/2015 · Lone Mountain Processing 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:** Arch Resources Inc
- **Operator:** Lone Mountain Processing LLC
- **Mine:** [1502263](https://api.ai-analytics.org/mine/1502263)
## Narrative

A roof fall was discovered in the #5 entry of 3-Left paned on 003 section between crosscuts 17 and 18.  The fall measured 20' by 40' and was 8' in thickness.  The area was originally supported with 6' torque tension bolts, and 12' super bolts.  There were no injuries and ventilation was not affected.

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