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Malabar Hill Tunnel: TBM cuts a dash in Bombay
13 December, 1986
Charles Haswell (Tunneller's profile)
14 September, 1986
Women in hardhats
13 July, 1986
Circular concrete roadways for British coal mines (BTS)
14 June, 1986
Large underground works in Finland
14 June, 1986
Italy plays host to ITA 86
14 June, 1986
River Mole relief at Gatwick airport
14 May, 1986
Working under pressure (Compressed air)
13 April, 1986
Geological parameters for hard rock tunnel boring
13 April, 1986
German headings
13 April, 1986
Canadian perspectives
14 March, 1986
Mt Lebanon Tunnel uses the NATM American-style
13 January, 1986
Natural gas storage in hard rock caverns
13 January, 1986