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Fan Virginia Coal Mine Ventillation. LARGE FAN EQUIPMENT USED TO BLOW FRESH AIR INTO VIRGINIAPOCAHONTAS COAL COMPANY MINE NEAR RICHLANDS VIRGINIA IT TAKES TREMENDOUS AMOUNT OF POWER TO FORCE THE AIR INTO ALL THE TUNNELS OF THE MINE IT IS WINDY IN THE MAIN SHAFTS AS THE AIR PASSES BY ON ITS WAY TO THE MANY TUNNELS Image created