# FALL OF ROOF OR BACK
> MSHA accident `220050100003` · 01/03/2005 · Wolf Run Mining LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Drilling
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 3
- **Mine experience:** 0.02 years
## Operator
- **Controller:** Anker Group Inc
- **Operator:** Wolf Run Mining LLC
- **Mine:** [4604168](https://api.ai-analytics.org/mine/4604168)
## Narrative

Injured had positioned bolter boom to drill and had raised up the canopy to access the crill controls when thin head coal(1"") and some roof rock fell on the operator. The rock was 12"" by 12"" by 2"" thick and the head coal was a few very small pieces.

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