Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
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. (Autor:in)
Asbestos ; 41
1959
Aufsatz (Zeitschrift)
Englisch
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