Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Safety in blasting at Ajo, Ariz
Precautions taken at Phelps Dodge Corp New Cornella open pit copper mine; mine operated from Dec 13 1947 to Apr 1 1947 without fatality in drilling and blasting department.
Safety in blasting at Ajo, Ariz
Precautions taken at Phelps Dodge Corp New Cornella open pit copper mine; mine operated from Dec 13 1947 to Apr 1 1947 without fatality in drilling and blasting department.
Safety in blasting at Ajo, Ariz
U S Bur Mines -- Information Cir
Look, A.D. (Autor:in) / Bird, J.H. (Autor:in)
1948
17 pages
Supp Plates
Report
Englisch
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