This is an amazing resource that should possibly be added to the mines and quarries information sticky , it was posted elsewhere
http://www.train4underground.co.uk/...mKBf75ybHLaH6mdJqbjm_LKVob1OfmtbAdD5V_PXXKqyE
http://www.train4underground.co.uk/...mKBf75ybHLaH6mdJqbjm_LKVob1OfmtbAdD5V_PXXKqyE