 Lake Superior was frozen. It's only 14 miles between Iowa and the North Shore of Canada along Lake Superior. And then they just found a paradise there. And in the early 1990s, they had over 50 wolves in five packs. They dwindled down and Rolf Peterson, who's a very well-known researcher, and he's been leading the annual wolf moose research count. And during the winter, they count every dead moose they see and they count the wolves.