Rapid Middle Eocene temperature change in western North America

Methner, K., Mulch, A., Fiebig, J., Wacker, U., Gerdes, A., Graham, S.A., and Chamberlain, C.P. (2016) Rapid Middle Eocene temperature change in western North America. Earth and Planetary Science Letters, v. 450, p. 132-139. doi: 10.1016/j.epsl.2016.05.053