Permissible mine equipment approved by the Bureau of Mines during 1967-68: a supplement to Bulletin 543 and Information circulars 8220, 8299, and 8372
by F. R. Lee
A concise supplement listing mine equipment approved by the Bureau of Mines for 1967-68, updating prior technical circulars.
About This Book
This publication serves as a supplement to earlier Bureau of Mines bulletins and information circulars.
It documents equipment approved for safe use in mining environments during the specified period.
The content focuses on regulatory compliance and safety standards for mining operations.
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