3 cm thick; pumice; in silt with gravel lenses and is ?2.3 m above gravel sitting on bedrock bench; on low terrace of Sixtymile River; ~90 cm below Old Crow tephra (UT1520) and ?85 cm above Coal Creek tephra
(UT1522); field name 98SJP28b
A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory
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