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Injury experience in quarrying industry, 1954
Analysis of safety factors and related employment data; injury experience at different kinds of quarries; injury experience by States; selected injury data; historical injury experience.
Injury experience in quarrying industry, 1954
Analysis of safety factors and related employment data; injury experience at different kinds of quarries; injury experience by States; selected injury data; historical injury experience.
Injury experience in quarrying industry, 1954
U S Bur Mines -- Information Cir
Machisak, J.C. (author) / Kearney, N.W. (author)
1958
48 pages
Report
English
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