Alexandra Valencia Villa, University of Wisconsin Madison, Geoscience, Madison, WI, United States, Shaun A Marcott, University of Wisconsin-Madison, Department of Geoscience, Madison, WI, United States, Aradhna E. Tripati, University of California Los Angeles, Los Angeles, United States and Stephen Richard Meyers, Univ. of Wisconsin - Madison, Geoscience, Madison, WI, United States