Byron A Steinman, University of Minnesota Duluth, Large Lakes Observatory, Duluth, MN, United States, Nathan Stansell, Northern Illinois University, Geology and Environmental Geosciences, Dekalb, IL, United States, Broxton W Bird, Indiana University Purdue University Indianapolis, Department of Earth Sciences, Indianapolis, IN, United States and Alejandro Fernandez, University of Minnesota Duluth, Duluth, MN, United States