# MACHINERY
> MSHA accident `220252260020` · 08/11/2025 ·  Marion County Coal Resources, Inc. 
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Laborer, Bull gang, Faceman, Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Roof bolter, NEC
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 94
- **Mine experience:** 2.08 years
## Operator
- **Controller:** ACNR Holdings, Inc
- **Operator:**  Marion County Coal Resources, Inc. 
- **Mine:** [4601433](https://api.ai-analytics.org/mine/4601433)
## Narrative

Injured was roof bolting on the 36 1/2 block main west roof fall with an air drill when some head coal around an adjacent roof bolt fell out and allowed a bowling ball sized rock to slide out and strike them in the upper back, resulting in a possible muscle strain/sprain (no bruising, x-ray and CT scan negative). No problems with equipment or compliance issues, training or PPE.

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