`` You ca n't predict the down times , the breakages , the formation issues , '' Fisher said . Pennsylvania 's mining minister says the Plan B drill could break through weeks . Schramm of Chile -based CNN is on the Plan B drilling team . He says the miners and their families are inspiring rescuers .
Pennsylvania 's mining minister says the Plan B drill could break through weeks . Schramm of Chile -based CNN is on the Plan B drilling team . He says the miners and their families are inspiring rescuers .