# FALL OF ROOF OR BACK
> MSHA accident `220062720073` · 09/20/2006 · 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:** [1502263](https://api.ai-analytics.org/mine/1502263)
## Narrative

A roof of mine roof occurred on the 005-0 section, 3 right panel, #4 entry at #9 crosscut. The fall was approximately 19' wide, 35' long and 6' thick. The fall occurred during retreat mining, catching the Joy continuous miner and 2 MRS's. The material was removed and the equipment removed safely.

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