13/31 Close above them were the ragged rocks of the tunnel roof, seeming to reach down as if to seize them as they roared and clattered beneath. Seepage dripped at intervals, flying into their faces like spray as they dashed through it. Side tracks appeared momentarily when they passed the opening of some mine where the ore cars stood in long lines, awaiting their turn to be filled. The minutes were passing, and they were nearing the center of the tunnel. |