# MACHINERY
> MSHA accident `220132100026` · 07/21/2013 · Bonanza Explorations, Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Ledgeman/hand, Quarry man
- **Activity:** Drill face, Rib, Side, Down
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 10
- **Mine experience:** 0.81 years
## Operator
- **Controller:** American Bonanza Gold Corporation
- **Operator:** Bonanza Explorations, Inc.
- **Mine:** [0203000](https://api.ai-analytics.org/mine/0203000)
## Narrative

Miner was drilling out a round in fractured ground. When he tried to pull the drill and steel out of the hole he strained his back from the steel becoming stuck.

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