5 cm thick; pumice; in sand with organics; in Upper White Channel Gravel; 5.5 m below Paradise Hill tephra (UT1624); field name 599a
A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory
Glass-fission-track ages of late Cenozoic distal tephra beds in the Klondike district, Yukon Territory
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