Mining in Minnesota has a character which is not duplicated elsewhere. When we think of an iron mine, we naturally picture subterranean caverns and galleries, and strange, gnome-like creatures prowling about with pick and shovel and drill. But mining in this section is a much simpler proceeding. The precious mineral does not lie concealed deep within the earth; it lies practically upon the surface. Removing it is not a question of blasting with dynamite; it is merely a matter of lifting it from the surface of the earth with a huge steam shovel. "Miners" in Minnesota have none of the conventional aspects of their trade. They operate precisely as did those who dug the Panama Canal. The railroad cars run closely to the gigantic red pit. A huge steam shovel opens its jaws, descends into an open amphitheater, licks up five tons at each mouthful, and, swinging sideways over the open cars, neatly deposits its booty. It is not surprising that ore can be produced at lower cost in the United States than even in those countries where the most wretched wages are paid. Evidently this one iron field, to say nothing of others already worked, gives a permanence to our steel industry.