W. Adam Sigler¹, Stephanie A Ewing², Scott D. Wankel³, Clain A Jones¹, Sam John Leuthold², Jack Brookshire¹ and Robert Alden Payn², (1)Montana State University, Bozeman, MT, United States, (2)Montana State University, Department of Land Resources and Environmental Sciences, Bozeman, MT, United States, (3)Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, MA, United States