# FALL OF ROOF OR BACK
> MSHA accident `220082810032` · 09/23/2008 · 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:** 0
- **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 occurred in the #4 entry at the #11 crosscut on the 3-North-1 Mains in the intake entry.  The fall was 8' to 9' in thickness and measured 20' by 20'.  The area was previously supported with 5' HY-Tech Bolts.  The fall was cleaned up and re-supported.

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