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  • Title: Erratum.
    Journal: Science; 1984 Oct 05; 226(4670):7. PubMed ID: 17815399.
    Abstract:
    As published, figure 2 in the report "Disruption of the terrestrial plant ecosystem at the Cretaceous-Tertiary boundary, western interior" by R. H. Tschudy et al. (7 Sept., p. 1030) contained two errors. The break in the stratigraphic column should have been 3 m, and the iridium concentration should have been in parts per trillion. The correct figure is reproduced below. [see figure in source PDF].
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