10.1130/2019238 D. Sahy D. Sahy et al. et al. Supplemental material: Accuracy and precision of the late Eocene–early Oligocene geomagnetic polarity time scale Geological Society of America 2019 Geoscience 2019-01-01 00:00:00 Journal contribution https://gsapubs.figshare.com/articles/journal_contribution/Supplemental_material_Accuracy_and_precision_of_the_late_Eocene_early_Oligocene_geomagnetic_polarity_time_scale/12541415 GSA Data Repository Item 2019238, GSA Bulletin. File size: about 608 KB.