Development, preparation, roof control and various services since 2019.
Development and preparation work:
- Negative and positive ramps
- Drift, bypass, chambers and sublevels
Roof Control:
- Helical bolts
- Electrowelded mesh
- Rock fill
Zacatecas, Mexico
Development, preparation, roof control and various services since 2019.
Total lineal advance
Total bolts
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