Derrick Vaughn, University of Florida, Geological Sciences, Ft Walton Beach, FL, United States, Thomas S Bianchi, University of Florida, Department of Geological Sciences, Gainesville, FL, United States, Michael R Shields, Texas A&M University, College Station, TX, United States, William Kenney, Davis, CA, United States and Todd Osborne, University of Florida, Soil and Water Science, St. Augustine, FL, United States