# FALL OF ROOF OR BACK
> MSHA accident `220210390024` · 02/06/2021 · U.S. Silver-Idaho, Inc.
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Drift miner
- **Activity:** Drill face, Rib, Side, Down
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 13.69 years
## Operator
- **Controller:** Americas Gold and Silver Corporation
- **Operator:** U.S. Silver-Idaho, Inc.
- **Mine:** [1000082](https://api.ai-analytics.org/mine/1000082)
## Narrative

5500-120 collaring hole with jack leg drill, rock came out of back hitting right knee. 1-1/2"" laceration.

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