In forty years, indeed, an enormous steel area had grown up, including western Pennsylvania, Ohio, Indiana, and Illinois, practically all of it drawing its raw materials from those same teeming ore lands in the Lake Superior region.

四十年来，的确，一个巨大的钢铁区已经发展起来，包括西宾夕法尼亚州、俄亥俄州、印第安纳州和伊利诺伊州，几乎所有这些地区都从苏必利尔湖地区同样丰富的矿区提取原材料。