A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
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. (author) / Bird, J.H. (author)
1948
17 pages
Supp Plates
Report
English
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