The Iowa Department of Natural Resources (DNR) will be conducting prescribed burns this spring on wildlife areas managed by the Iowa DNR’s Black Hawk Wildlife Unit and Waterfowl Production Areas managed by the U.S. Fish and Wildlife Service in Sac, Calhoun, Crawford, Buena Vista and Pocahontas counties.Areas scheduled for burns are Black Hawk Marsh Complex, Burrows Pond Complex, Tomahawk Marsh, Whitehorse Complex and Kiowa Marsh Complex in Sac County; South Twin Lake and Towhead Lake in Calhoun County; Schrad...