# FALL OF ROOF OR BACK
> MSHA accident `220163090011` · 10/31/2016 · 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:** [1518647](https://api.ai-analytics.org/mine/1518647)
## Narrative

A roof fall was discovered on this date.  The fall was located on the 1-West Main at crosscut #12 in the #1 entry.  The fall measured 20' by 25' and was 10' in thickness.  The area was previously supported with 5' Hy-tech bolts and 12' cable bolts. Affected miners were removed from inby the location and the primary escapeway was re-routed.  

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