A slope shaft is a quarry entrance, dug in to the ground at an incline. Often they include pedestrian access via steps as well as rails for a cart used to extract the quarry's product.
Brewers Yard Quarry - Brewers Yard Quarry has a very narrow slope shaft
Slope Shaft Photo - A photograph looking down a slope shaft
Box Quarry Fact Sheet - More details about underground quarrying
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- MOD Corsham
Now known by the name MOD Corsham and formerly JSU Corsham (Joint Service Unit) and RAF Rudloe Manor. A large military site which sits directly above the MOD's underground tunnel complex. During the Second World War the underground site made up part of a massive ammunitions depot and the world's largest underground factory. Later these tunnels became a government's emergency relocation site and various communication bunkers were also set up here.