# SLIP OR FALL OF PERSON
> MSHA accident `220190100020` · 01/08/2019 · N R Hamm Quarry LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Handling coal, Rock, Ore
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** ANKLE
- **Days lost:** 0
- **Mine experience:** 8.48 years
## Operator
- **Controller:** Summit Materials LLC
- **Operator:** N R Hamm Quarry LLC
- **Mine:** [1401704](https://api.ai-analytics.org/mine/1401704)
## Narrative

Slipped and lost balance causing employee to stumble backwards and twist ankle.

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