# FALL OF ROOF OR BACK
> MSHA accident `220071380027` · 05/16/2007 · 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 during retreat mining, pulling two rows of bolts in front of the #1 MRS Unit. The area was previously supported with 5' Hi-Tech Bolts. There were no injuries to persons. The fall was located at 1-Right North-2 at spad 1470, at break #39.

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