# FALL OF ROOF OR BACK
> MSHA accident `220043240050` · 11/17/2004 · 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:** Ashland Inc
- **Operator:** Lone Mountain Processing LLC
- **Mine:** [1502263](https://api.ai-analytics.org/mine/1502263)
## Narrative

A ROOF FALL OCCURRED ON THE 005 PILLAR SECTION IN THE #2 ENTRY STARTING AT THE PILLAR LINE AND EXTENDING OUTBY APPROXIMATELY 70 FEET. THE FALL WAS OUTBY CROSSCUT #57 AND WAS APPROXIMATELY 20' X 70' X 9' THICK. FIVE FOOT HIGH TECH ROOF BOLTS HAD BEEN INSTALLED IN THE AREA AND 6' AND 9' SUPPLEMENTARY SUPER BOLTS HAD BEEN INSTALLED ALSO.

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