# MACHINERY
> MSHA accident `220071930064` · 07/02/2007 · U.S. Silver-Idaho, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Roof bolter, NEC
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 0
- **Mine experience:** 0.12 years
## Operator
- **Controller:** U S Silver Corporation
- **Operator:** U.S. Silver-Idaho, Inc.
- **Mine:** [1000082](https://api.ai-analytics.org/mine/1000082)
## Narrative

EE was installing rock bolts. When EE was pulling steel from drill hole, it hung up causing the jack leg drill to jerk causing a shoulder strain.

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