A bunker is a manmade underground structure which is often reinforced to withstand attack.
Bunker rang in size from small four man ROC Posts to vast underground cities.
Little Sodbury - An Royal Observe Corp post.
Burlington - A huge underground city.
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- Browns Folly Mine
Browns Folly Mine is an average sized Bath Stone quarry which was originally part of Monkton Farleigh Mine however when the War Department converted part of the quarry in to an ammunitions store they separated part of the quarry which is the area now known as Browns Folly.