Andrew W Schroth¹, Gregory K Druschel², Austin Wilkes³, Meagan Leduc³, John Shukle⁴, Martin Kurek⁵, Benjamin C Bostick⁶ and Barbara J Cade-Menun⁷, (1)University of Vermont, Burlington, VT, United States, (2)Indiana University Purdue University Indianapolis, Earth Science, Indianapolis, IN, United States, (3)University of Vermont, Geology, Burlington, United States, (4)Indiana University Purdue University-Indianapolis, Indianapolis, United States, (5)Indiana University Perdue University-Indianapolis, Indianapolis, United States, (6)Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY, United States, (7)Agriculture and Agri-Food Canada, Ottawa, ON, Canada