# FALL OF ROOF OR BACK
> MSHA accident `220030060041` · 12/31/2002 · Westmoreland San Juan 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:** —
- **Mine experience:** — years
## Operator
- **Controller:** BHP Billiton
- **Operator:** Westmoreland San Juan Mining LLC
- **Mine:** [2902170](https://api.ai-analytics.org/mine/2902170)
## Narrative

A ROOF FALL WAS DISCOVERED IN THE NO.1 ENTRY OF TG-101. THE FALL IS BETWEEN XC 27 & 28. THE FALL IS APPROXIMATELY 50 FT LONG BY 20 FEET WIDE BY 18 FEET HIGH. THE AREA HAD BEEN SUPPORTED BY 8 F T TORQUE TENSION BOLTS SUPPLEMENTED WITH WIRE MESH. THERE IS EVIDENCE OF SLICKEN-SIDED MATERIALS IN THE UPPER PORTIONS OF THE FALL.

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