sentences:  During the tour, the tour guides describe various aspects of the anthracite mining industry in Pennsylvania including the file of the fire boss, air doors and their role in ventilation, door boys or nippers, second means of exit from the mine, and the company store.The temperatures within the mine are around a constant of .The Lackawanna Coal Mine is featured in seasons 3 and 4 of the television adaptation of "The Man in the High Castle" where is it is depicted as having an artificial portal to parallel worlds.