Russell, Robert P., Katherine E. Koch, and Stephen J. Lewis. 2016. Upper Mississippi Valley/Great Lakes Regional Shorebird Conservation Plan. Version 2.0. Bloomington, MN: U.S. Department of the Interior, Fish and Wildlife Service, Division of Migratory Birds. http://www.shorebirdplan.org/wp-content/uploads/2016/08/UMVGLver2.pdf