RG Johnson - Vertical Shafts - Mucking
2:41
Added: 4 years ago
From: btagman
Views: 5,283
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  • what lining is on the walls of the shaft? precast, shotcrete, cast in-situ?

    sonofmoresby 1 month ago

  • where was this filmed?

    kennymagnum 1 year ago

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