Retallack, G. J., D. G. Gavin, E. B. Davis, N. D. Sheldon, J. M. Erlandson, M. H. Reed, E. A. Bestland, J. J. Roering, R. J. Carson, and R. B. Mitchell. “Oregon 2100: Projected Climatic and Ecological Changes”. Bulletin of the Museum of Natural History, University of Oregon, no. 26, Mar. 2016, https://journals3.oregondigital.org/nat_history/article/view/5671.