# FALL OF ROOF OR BACK
> MSHA accident `220040080031` · 12/29/2003 · 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:** —
- **Mine experience:** — years
## Operator
- **Controller:** Ashland Inc
- **Operator:** Lone Mountain Processing LLC
- **Mine:** [1517234](https://api.ai-analytics.org/mine/1517234)
## Narrative

ROCKFALL WAS DISCOVERED IN THE #2 ENTRY OF THE 4 WEST PANEL AT THE #52 CROSSCUT 1 BREAK INBY SPAD #20413. FALL WAS ~90' BY 50' & 10' HIGH. AREA BOLTED WITH 5' TORQUE TENSION BOLTS. & 12' SUPER BOLTS SPOTTED FOR SUPPLEMENTAL SUPPORT.

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