# Fractures and dislocations at Custer-Gallatin National Forest Service
> OSHA SIR `2021010190` · 1/8/2021 · COOKE CITY, MONTANA
## Severity
- **1 hospitalization**
- **Body part:** Ankle(s) and leg(s), n.e.c.
- **Nature of injury:** Fractures and dislocations
## Cause
- **Event:** Jack-knifed or overturned, nonroadway
- **Source:** Snowmobile
## Employer
- **Name:** Custer-Gallatin National Forest Service
- **Location:** Lulu Pass, Custer-Gallatin National Forest, COOKE CITY, MONTANA, 59081
- **NAICS:** 115310
- **Jurisdiction:** 1
## Narrative

An employee was patrolling a wilderness boundary on a snowmobile when the snowmobile rolled over and struck her ankle, resulting in a right displaced oblique distal fracture of her fibula, a dislocated tibia, and displaced ligaments associated with her right ankle.

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*Source: [OSHA Severe Injury Reports](https://www.osha.gov/severe-injury-reports) · MORVS · CC0 1.0*