When you see mining in a dream, then such dream indicates your components that want to harm you by remembering you the negative past.
Dream dictionary: Mining dream meanings
…To see mining in your dreams, denotes that an enemy is seeking your ruin by bringing up past immoralities in your life. You will be likely to make unpleasant journeys, if you stand near the mine. If you dream of hunting for mines, you will engage in worthless pursuits….
…Dreaming of being in a coal-mine or colliery and seeing miners, denotes that some evil will assert its power for your downfall | but if you dream of holding a share in a coal-mine, it denotes your safe investment in some deal. For a young woman Dreaming of mining coal, foreshows she will become the wife of a real-estate dealer or dentist….
…To see this beast of burden, signifies that you will entertain great patience and fortitude in time of almost unbearable anguish and failures that will seemingly sweep every vestige of hope from you. To own a camel, is a sign that you will possess rich mining property. To see a herd of camels on the desert, denotes assistance when all human aid seems at a low ebb, and of sickness from which you will arise, contrary to all expectations….