Harding, Harold, Sir.  <br/><br/>
Tunnelling history and my own involvement /   
Sir Harold Harding. 
 - Toronto :   Golder ,   1981. 
 - 258 p. :   il. 
<br/><br/> Early tunnels to the industrial revolution - Results of the industrial revolution - A critical decade (1860-1870)  - The great advance (1870-1914) - Moderrn times - Tunnelling in soft ground - Geotechnical processes and problems - Settlements & cavities - More work in compressed air - Advising on compressed air work (1956-1976) - Tunnelling in chalk - Tunnelling in rock - Tunnelling machines and the channel tunnel - Tunnel linings: thrust bores and mini tunnels - Site investigations and the channel tunnel. 
<br/><br/><label>ISBN: </label>0969097107 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TUNELES<br/>CONSTRUCCION DE TUNELES<br/>HISTORIA DE LOS TUNELES
<br/><br/><label>Universal Decimal Class. No.: </label>624.19