25 cm thick. Tephra bed within remobilized, massive inorganic loess. An organic-rich loess up to 60 cm thick occurs 20 to 40 cm above Oct.
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
Tephrochronology of middle to late Pleistocene loess in east-central Alaska
This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G22AC00137
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.