# FALL OF ROOF OR BACK
> MSHA accident `220020840041` · 03/15/2002 · Cargill Salt 
## 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:** Cargill Inc
- **Operator:** Cargill Salt 
- **Mine:** [3000663](https://api.ai-analytics.org/mine/3000663)
## Narrative

THERE WAS AN UNPLANNED ROOF FALL ABOVE THE ANCHORAGE ZONE IN U40B-8 TUNNEL FROM INTERSECTION M1 TO P1. THIS AREA WAS MINED NINE MONTHS PRIOR AND IS AN ABUTMENT ZONE. SEE ATTACHMENT MAP FOR ARE A OF REBOLT, BERMED AREA AND CRACK SNAGGING RESULTS.

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