Tunnel pit

a pit or shaft sunk from the top of the ground to the level of a tunnel, for drawing up the earth and stones, for ventilation, lighting, and the like.

See also: Tunnel

References in periodicals archive ?
Tenders Are Invited for Laying of Pipe Line for Dewatering Seepage Water of H-202 & H-203 Tunnel Pit of Coal Wagon Tippler at H.
That analysis revealed that the Oro Belle/Hart Tunnel pit reserves are not very sensitive to the contract mining agreement pricing provisions.
There is a roll of honour in the Haunchwood Institute social club, in Valley Road, bearing the names of 115 colliers from the nearby Haunchwood and Tunnel pits who went off to war and died.