# FALL OF ROOF OR BACK
> MSHA accident `220073530029` · 12/14/2007 · 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:** [1517234](https://api.ai-analytics.org/mine/1517234)
## Narrative

A roof fall was discovered on this date. The fall was located in the #3 entry, #4 crosscut of 6-North. The fall measured approximately 20' x 30' x 12' in thickness. The fall did not affect production or ventilation. The area was previously supported with 5' hi-tech bolts and 8' super bolts. The area was cribbed and dangered off.

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