# MACHINERY
> MSHA accident `220261820039` · 06/24/2026 · Upstone Materials Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Dry screening plant operator, Screen house operator
- **Activity:** Unknown
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** LOWER EXTREMITIES, MULTIPLE PARTS
- **Days lost:** —
- **Mine experience:** 0.23 years
## Operator
- **Controller:** Colas S A
- **Operator:** Upstone Materials Inc.
- **Mine:** [3000089](https://api.morvs.ai/mine/3000089)
## Narrative

A small rock blocked jammed the conveyor belt on a screening plant. When employee hit the kill button to stop the machine, a large chunk of clay rock fell and hit their RIGHT leg. Sustained fractured Tibia and Fibula and broken bones on top of foot.

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