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Location of Cerrejón fossil flora and comparative modern samples. (Upper) Cerrejón fossil flora location (★). (Lower) Comparative modern samples are indicated by: □, Quaternary pollen cores; ■, modern leaf litter samples; ●, modern forest transects. See SI Appendix (Tables S1–S4) for details on comparative samples. Base map of Cerrejón region courtesy of National Aeronautics and Space Administration Jet Propulsion Laboratory, California Institute of Technology.
