# MACHINERY
> MSHA accident `220101190041` · 04/29/2010 · Sterling Mining Corporation
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Tramming
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 1
- **Mine experience:** 0.48 years
## Operator
- **Controller:** W Thomas  Mackall
- **Operator:** Sterling Mining Corporation
- **Mine:** [3304605](https://api.ai-analytics.org/mine/3304605)
## Narrative

While tramming crawler bolter, operator's left thumb became pinched between the bolter and the mine roof, when the machine teetered over a high spot in the mine floor causing the back of the machine to pivot up against roof.  A laceration occurred requiring 4 stiches.

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