These mine shafts do not go deeper than a few meters into the earth before being blocked off by cave-ins of heavy boulders and splintered support beams. There are four of them in total, equidistant from each other roughly with a ten minute walk separating. The tunnels were each sizable in diameter, and even in their current collapsed state what remains of the entrances would still provide decent cover from snowstorms and the like. The road only services the closest of the tunnels to the city, and is taken over thereafter by the faint indentation of a dirt road. The conveyor belt extends further, servicing all four mine shafts.