30 cm thick. Occurs near base of ~ 6 m of bedded silt that is overlain by a peaty bed containing pollen similar to that of today. The peat is overlain by loess. OCt is 5 cm and covered by couplets of grey silt and tephra for a combined thickness of 30 cm (Westgate et al., 1983; Hamilton and Brigham-Grette, 1991).
A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory
Old Crow tephra across eastern Beringia: a single cataclysmic eruption at the close of Marine Isotope Stage 6
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