# SLIP OR FALL OF PERSON
> MSHA accident `220121910022` · 06/28/2012 · Rio Grande Mining Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall onto or against objects
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Walking, Running
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 19
- **Mine experience:** 0.23 years
## Operator
- **Controller:** Aurcana Corporation
- **Operator:** Rio Grande Mining Company
- **Mine:** [4102905](https://api.ai-analytics.org/mine/4102905)
## Narrative

Employee was walking to the surface shop and tripped on wire protruding from a concrete form. He fell on his left knee, landing on some sheets of expanded metal. He heard his knee pop. The area was not lighted and he did not see the wire. His knee had sprang and strains of the knee cap.

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