Geograph - photograph every grid square

Church Bowers is a prominent outcrop of a gritstone which weathers grey, and has been extensively quarried along its outcrop, over a length of about a quarter mile from here to the northwest. These prominent stone men form a very obvious landmark for anyone heading up the track from Forest in Teesdale and mark the southeastern end of the worked area. The grit only outcrops over a limited area before intergrading into softer sandstones which don't form a landscape feature. There's a further outcrop, more intensively quarried, a kilometre further to the northwest. In other areas at this horizon, there's a thin limestone known as the Lower Felltop Limestone, and both the grit and the limestones are often topped by a thin coal seam. The middle cairn seems to be getting a bit decrepit but the outer two are holding up well. To the right of right hand cairn, you can see a small building which is adjacent to the track. Whilst small, it is very sturdily built, but shows no obvious signs of having had a roof. I surmise that this was used as a store for explosives - such buildings tend to be built with strong walls but weak roofing, so that any accidental detonation blows the roof away with little of the blast going towards people working nearby at ground level.