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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- Burlington Bunker
The former emergency relocations site for the government in the event of nuclear attack, the site has been abandoned since the 1980s since which time it has been kept as a decoy site until it's declassification at the end of 2004. Burlington has had many code names since it's conception in the early 50s, these include Stockwell, Subterfuge, Turnstile and more recently Site 3.