The 250th Tunnelling Company was one of the tunnelling companies of the Royal Engineers created by the British Army during World War I. The tunnelling units were occupied in offensive and defensive mining involving the placing and maintaining of mines under enemy lines, as well as other underground work such as the construction of deep dugouts for troop accommodation, the digging of subways, saps, cable trenches and underground chambers for signals and medical services.
250th Tunnelling Company
Plan for the British deep mine at Hollandscheschur Farm with its three chambers
Plan for the British deep mine at Petit Bois with its two chambers and the crater of the German counter mine of 1916 clearly visible
Plan for the British deep mine at Peckham Farm
The 171st Tunnelling Company was one of the tunnelling companies of the Royal Engineers created by the British Army during World War I. The tunnelling units were occupied in offensive and defensive mining involving the placing and maintaining of mines under enemy lines, as well as other underground work such as the construction of deep dugouts for troop accommodation, the digging of subways, saps, cable trenches and underground chambers for signals and medical services.
171st Tunnelling Company
Plan of the deep mines at Trench 127
Plan of the deep mines at La Petite Douve Farm
Plan of the deep mines at Trench 122
