A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Brief review, with statistics; in year 1941, definite progress was made in rendering coal mines safer places to work; this was done despite speed-up in production which brought forth over 502,000,000 tons of bituminous coal and over 52,000,000 tons of anthracite.
Brief review, with statistics; in year 1941, definite progress was made in rendering coal mines safer places to work; this was done despite speed-up in production which brought forth over 502,000,000 tons of bituminous coal and over 52,000,000 tons of anthracite.
Safety in Coal Mining
Min Congress J
Evans, Jr., C. (author)
1942
2 pages
Article (Journal)
English
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