Thought I'll share a little place I know that's on my doorstep, this railway tunnel was part of the Victoria Garesfield Colliery which closed down in 1960's
http://www.flashearth.com/?lat=54.916105&lon=-1.775685&z=18.2&r=0&src=msa
http://www.flashearth.com/?lat=54.916105&lon=-1.775685&z=18.2&r=0&src=msa