Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Uses for treated timbers in coal mines for foundation piles, drain boxes, ties, lagging, bulkheads, retaining walls, etc. Before Am Wood Preservers' Assn.
Treated timber requirements from viewpoint of coal mine operator
Wood Preserving News
Weir, P. (Autor:in)
Wood Preserving News ; 15
1936
Aufsatz (Zeitschrift)
Englisch
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Treated timber at Isabella mine
Engineering Index Backfile | 1943
Treated mine timber at operations of lehigh navigation coal company, Inc
| Engineering Index Backfile | 1942
Treated timber for mine roof support
Engineering Index Backfile | 1942
Mine roof, treated timber and simple arithmetic
| Engineering Index Backfile | 1949
Treated timber in Central Pennsylvania coal mines
Engineering Index Backfile | 1938