# SLIP OR FALL OF PERSON
> MSHA accident `220170930035` · 03/27/2017 · Blue Diamond Coal Co
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 58
- **Mine experience:** 1 years
## Operator
- **Controller:** Blackhawk Mining LLC
- **Operator:** Blue Diamond Coal Co
- **Mine:** [1509636](https://api.ai-analytics.org/mine/1509636)
## Narrative

Employee was operating walk thru bolter and twisted left knee while bolting in the #5 heading. Employee started missing work on 3/29/2017.

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