A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Some coal-mine safety organizations in Pennsylvania bituminous field
Companies whose organizations were studied are all getting good results, and it is their opinion that safety organizations have been big factor in obtaining these results; at their request, identity of some of companies whose organizations were studied is not divulged; examples of various report forms.
Some coal-mine safety organizations in Pennsylvania bituminous field
Companies whose organizations were studied are all getting good results, and it is their opinion that safety organizations have been big factor in obtaining these results; at their request, identity of some of companies whose organizations were studied is not divulged; examples of various report forms.
Some coal-mine safety organizations in Pennsylvania bituminous field
U. S. Bur. Mines -- Information Cir
Currie, R.D. (author)
1931
41 pages
5 Figs. on Supp plates
Report
English
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