The Brief Superior National Forest officials say wildfires have burned more than 73,000 acres in the BWCA and Canada. The Superior National Forest will resume management of the Little Knife and Chub Fires. Superior National Forest officials have moved portions of the forest from class IV to class III fire restrictions. Sioux Fire: 7,071 acres, 16% contained, north of Echo Trail and east of Jeanette Campground. Management returns to Superior National Forest Tuesday evening, with rain slowing activity and strong progress on containment.