# FALL OF ROOF OR BACK
> MSHA accident `220091380002` · 05/14/2009 · Advent Mining 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:** Chester M  Thomas
- **Operator:** Advent Mining LLC
- **Mine:** [1518547](https://api.ai-analytics.org/mine/1518547)
## Narrative

A roof fall was found at 10:30 am in the 2nd East Sub-Main, #5 entry, 30+10, during a rock dust survey being taken by MSHA. The fall was 40'X19'x7' and had been mined in March 2009. The area had been supported with 6' and 8' roof bolts and was caused by an undetected slip in the mine roof. Ventilation or passage of men was not affected.

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