woodland covers most of the lake superior lowland. much of the forested area is dominated by aspen and birch trees, with some conifers interspersed throughout the forest. some pasture and cropland has been established on the plain. marshes and wetlands exist in a few places in the region, and several rivers drain the region into lake superior, including the brule river, which is surrounded by a state forest. two ojibwa indian reservations are located along the shores of lake superior, the bad river indian reservation and the red cliff indian reservation. the largest city in the area is superior, wisconsin. other cities include ashland and washburn.