A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Mine safety decision 27, by mine safety board
First 25 decisions were published in Information Cir 6732 indexed in Engineering Index 1933 p 722; Decision 26, reducing amount of gas in mines and tunnels, was issued as separate publication; present decision relates to construction of shaft linings.
Mine safety decision 27, by mine safety board
First 25 decisions were published in Information Cir 6732 indexed in Engineering Index 1933 p 722; Decision 26, reducing amount of gas in mines and tunnels, was issued as separate publication; present decision relates to construction of shaft linings.
Mine safety decision 27, by mine safety board
U S Bur Mines -- Information Cir
1935
2 pages
Report
English
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Engineering Index Backfile | 1940
| Engineering Index Backfile | 1955
Engineering Index Backfile | 1938
Engineering Index Backfile | 1938
| Engineering Index Backfile | 1927