A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Recommendations of the bureau of mines on certain questions of mine safety as of August, 1929
Paper is reissue, without change of text, of circular 6091, concerning mines of all kinds, and number 6139 relating specifically to coal mines, both previously indexed; appendix is added, covering two recommendatory decisions under consideration by director; also index of subjects covered by decision or relative discussion.
Recommendations of the bureau of mines on certain questions of mine safety as of August, 1929
Paper is reissue, without change of text, of circular 6091, concerning mines of all kinds, and number 6139 relating specifically to coal mines, both previously indexed; appendix is added, covering two recommendatory decisions under consideration by director; also index of subjects covered by decision or relative discussion.
Recommendations of the bureau of mines on certain questions of mine safety as of August, 1929
U.S. Bur Mines -- Information Cir
1929
18 pages
Report
English
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Recommendation of the bureau of mines on certain questions of mine safety
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