Soulliere, Greg J., Brad A. Potter, John M. Coluccy, Ron C. Gatti, Charlotte L. Roy, Dave R. Luukkonen, Pat W. Brown, and Mike W. Eichholz. 2007. Upper Mississippi River and Great Lakes Region Joint Venture Waterfowl Habitat Conservation Strategy. Fort Snelling, MN: U.S. Department of the Interior, Fish and Wildlife Service.