# FALL OF ROOF OR BACK
> MSHA accident `220032060060` · 07/17/2003 · Brooks Run Mining Company 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:** —
- **Mine experience:** — years
## Operator
- **Controller:** Alpha Natural Resources, Inc.
- **Operator:** Brooks Run Mining Company LLC
- **Mine:** [4608852](https://api.ai-analytics.org/mine/4608852)
## Narrative

A ROOF FALL MEASURING 80' LENGTH, 20'WIDE AND 5.5' THICK WAS DISCOVERED IN THE NO.1 RETURN ENTRY. THE ROOF FAILED DUE TO UNDETECTABLE SUBNORMAL CONDITIONS LAYERED SHALE ABOVE THE 48"" RESIN ROO F BOLTS. THE AREA WAS DEVELOPED JUNE 2003. THE FALL DID NOT AFFECT VENTILATION OR SAFE PASSAGE. THE PERIMETER OF THE FALL WAS RESUPPORTED BY 2 ROWS OF TEMPORARY SUPPORTS AND BARRICADED.

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