# FALL OF ROOF OR BACK
> MSHA accident `220020700002` · 02/27/2002 · 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

EXAMINERS DISCOVERED A ROOF FALL BETWEEN CROSSCUTS 35 & 36, IN NUMBER 1 ENTRY. THE FALL WAS APPROX. 150' IN LENGTH WAS 1-18' IN WIDTH. THE AREA HAD BEEN SUPPORTED WITH 6' TORQUE TENSION BOLTS THE BOLTS HAD BEEN SUPPLEMENTED WITH WELDED WIREMESH.

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