Two. One.” CLICK. We all turn off our headlamps. And it’s dark in here. Really dark. I reach for my daughter’s hand. Above our heads is 12 metres of earth; ahead of us, the mouth of the mine. We’re walking up the angled ramp of the underground gantry in the Atlas coal mine. Alongside us is the wide rubberized canvas belt that once carried the chunks of coal shovelled out of the mine, in East Coulee, Alta., to homes across Canada.