Darrell G. Schulze, 915 Mitch Daniels Blvd, Purdue University, West Lafayette, IN, US, Robert G. Darmody, Dept Nat Res & Env Science, University of Illinois-Urbana-Champaign, Urbana, IL, John G. Graveel, 915 W. State Street, Purdue University, West Lafayette, IN, Alfred E. Hartemink, Department of Soil Science, University of Wisconsin-Madison, Madison, WI, Anastasios D. Karathanasis, University of Kentucky, Lexington, KY, Brian D. Lee, Department of Landscape Architecture, University of Kentucky, Lexington, KY, Cristine L.S. Morgan, Texas A&M University, College Station, TX, Phillip R. Owens, USDA ARS Dale Bumpers Small Farms Research Center, Booneville, AR, Martin C. Rabenhorst, Environmental Science & Technology, University of Maryland-College Park, College Park, MD, US, Philip J. Schoeneberger, USDA-NRCS, Lincoln, NE, Brian Slater, School of Environment and Natural Resources, The Ohio State University, Columbus, OH, James A. Thompson, 3115 Agricultural Sciences Building, West Virginia University, Morgantown, WV, US and Sharon W. Waltman, NSSC-Geospatial Research Unit, USDA Earth Team Volunteer Soil Geographer, Morgantown, WV