# FALLING/SLIDING/ROLLING MATERIALS
> MSHA accident `220253390048` · 12/04/2025 · O-N Minerals (Michigan) Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** FALLING/SLIDING/ROLLING MATERIALS
- **Accident type:** Struck by falling object
- **Occupation:** Ball/Rod/Pebble/Hand/Limestone/Dry mill operator, Roller operator
- **Activity:** Handling supplies or material
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** ELBOW
- **Days lost:** 0
- **Mine experience:** 1.92 years
## Operator
- **Controller:** Carmeuse Holding SA
- **Operator:** O-N Minerals (Michigan) Company
- **Mine:** [2000062](https://api.ai-analytics.org/mine/2000062)
## Narrative

EE was on the 5th floor of the mill washing when a rock (4"" + size) came down from the 6th floor striking EE on the Left Elbow 

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