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click here to play unique job memory click here to play centenary memory click here to play ventilation memory click here to play govan drunks memory click here to play old ferries memory click here to play breakdowns memory
unique job centenary? ventilation drunks old ferries breakdowns
click here to play laser beam memory click here to play new lining memory click here to play wildlife memory bob bob bob
laserbeam new lining wildlife      
click here to play tunnels memory click here to play first job memory click here to play most difficult memory click here to play explosion memory click here to play explosion 2 memory click here to play drunk memory
why tunnels first job? most difficult explosion 1 explosion 2 drunk?
click here to play air pressure memory click here to play cruel trick memory click here to play subsidence memory
air pressure cruel trick subsidence      
Graham U Biggart. Tunnelling Consultant. Born 1927
Worked on Clyde Tunnel 1957-1963
Victoria Tube Line 1963-1969
Channel Tunnel 1987-1994
Bob McKinnon - Tunnel Master since 1992
Click on image to hear Bob or Grahams' memory. Please use the Back button in the top navigation, to return to this page, if the sound file launches a new window.