Maximum thickness of 2 cm. Tephra is interbedded with silt and occurs 0.7 m above gravel. From Preece et al. (2011): pumice, rare blocky shards, and rare bubble-wall shards; in silt overlying gravel, 0.7 m above gravel and 24–39 cm below Dominion Creek tephra (UT1456).
Characterization, identity, distribution, and source of late Cenozoic tephra beds in the Klondike District of the Yukon, Canada
Changing ideas on the identity and stratigraphic significance of the Sheep Creek tephra beds in Alaska and the Yukon Territory, northwestern North America
A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory
Dating Early and Middle (Reid) Pleistocene glaciations in central Yukon by tephrochronology