One of the highlights of an excellent little Cornish tin mine that is accessible at various points in a sea cliff.
A colourful way to shorten your life-expectancy. The paranoid can consult this calculator before entering. Old Gunnislake Copper Mine, Cornwall “And you won’t make a dime On this gray Granite Mountain Mine Of dirt you’re made and to dirt you … Continue reading
The Excelsior Tunnel began life as a drainage and prospect adit to serve Kit Hill Mine. Later, the Atomic Weapons Research Establishment used the tunnel as part of Operation Orpheus, a project to investigate the possibility of camouflaging the seismic signature from nuclear test … Continue reading