Electronic Supplementary Material: Oldest skeleton of a plesiadapiform provides evidence for an exclusively arboreal radiation of stem primates in the Paleocene ChesterStephen G. B. E. WilliamsonThomas I. BlochJonathan T. SilcoxMary J. SargisEric 2017 Materials and Methods, Geological Setting and Age, Figures S1-S4, Tables S1-S2