A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Describes methods of timbering heavy mines, methods of taking the measures for timbers underground, etc. (2000 w.) (No. 76983)
Describes methods of timbering heavy mines, methods of taking the measures for timbers underground, etc. (2000 w.) (No. 76983)
Underground timbering
Min Sci Pr
Nickerson, R.B. (author)
1906
Article (Journal)
English
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Timbering underground workings
| Engineering Index Backfile | 1899
Timbering and supporting underground workings
| Engineering Index Backfile | 1898