Tunnelling

Some articles on tunnelling:

Tunnelling Companies Of The Royal Engineers
... Royal Engineer tunnelling companies were specialist units of the Corps of Royal Engineers within the British Army, formed to dig attacking tunnels under enemy lines during the First World War ... In February 1915, eight Tunnelling Companies were created and operational in Flanders from March 1915 ... The tactics and counter-tactics required deeper and deeper tunnelling, hence more time and more stable front lines were also required, so offensive and defensive military mining largely ceased ...
Markham & Co. - History
... equipment in addition to its involvement in turbine and tunnelling operations ... Tunnelling ... In the early years of the 20th century the company built and supplied tunnelling equipment for the construction of London's new (deep tunnel ...
Tunnelling Companies Of The Royal Engineers - Operations
... Tunnelling companies were not popular amongst the ordinary troops ... from below the ground (from their own and enemy tunnelling companies) If the enemy knew a tunnelling company was in the area, it made the trench troops a more likely artillery target ...
Tunnelling Companies Of The Royal Engineers - World War I Formation - Underground Fighting
... by both sides, detection and breakthrough into each other's tunnelling systems occurred frequently ... the British and Allied forces sectors when tunnelling was taking place ... be used for short periods to observe enemy tunnelling activity and direction ...