A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Underground mining in Canadian asbestos mines
Means of attack are determined by form of ore body; deposits are mostly massive; hence open pit mining is preferred; when open pits became too deep for economy, underground methods were adopted, coupled with block caving technique; examples from individual mines.
Underground mining in Canadian asbestos mines
Means of attack are determined by form of ore body; deposits are mostly massive; hence open pit mining is preferred; when open pits became too deep for economy, underground methods were adopted, coupled with block caving technique; examples from individual mines.
Underground mining in Canadian asbestos mines
Asbestos
Sinclair, W.E. (author)
Asbestos ; 41
1959
Article (Journal)
English
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