Cenozoic hydroclimate and ecosystem evolution in the John Day region, Oregon, USA

Shirley Tsotsoo Mensah1, Tyler Kukla2, Aishat Olowoshile3, Casey Elizabeth Mullins3, Danielle Y Moragne4, Mairin Balisi5, Daniel Enrique Ibarra6, Jeremy K Caves Rugenstein7 and C Page Chamberlain6, (1)Eastern Illinois University, Charleston, IL, United States, (2)Stanford University, Geological Sciences Department, Stanford, CA, United States, (3)Stanford University, Geological Sciences, Stanford, CA, United States, (4)Dartmouth College, Earth Science, Hanover, NH, United States, (5)La Brea Tar Pits Museum, Los Angelos, CA, United States, (6)Stanford University, Stanford, CA, United States, (7)ETH Zurich, Zurich, Switzerland