# MACHINERY
> MSHA accident `220251950013` · 07/10/2025 · Bison Materials LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **Accident type:** Fall from machine
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Handling supplies or material
- **Injury source:** GROUND
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** CHEST (RIBS/BREAST BONE/CHEST ORGNS)
- **Days lost:** 12
- **Mine experience:** 1 years
## Operator
- **Controller:** Spencer Gene  Hopper; Lucas  Hopper
- **Operator:** Bison Materials LLC
- **Mine:** [3402093](https://api.ai-analytics.org/mine/3402093)
## Narrative

An EE was trying to remove a bit from drill pipe on John Henry drill. IE put a pipe wrench on the bit & spun the wrench so that it was touching the ground.  IE stood on the pipe wrench to keep it from moving.  EE began slowly rotating the drill pipe & pipe wrench sprung upward & threw IE sideways causing EE to land on EE's side on the ground.

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