by Ann Klefstad November 19, 2001 Duluth is a small city, built on the extraction economies of a century ago, still a beautiful and feral place. It has a rich and strange history, but it’s never been a completely human one. Its old masonry factories, robber-baron mansions, and small frame houses cluster on a rocky shore of Lake Superior. The city is riven by a dozen wild streams and creeks, all fringed…