n.d. on deposit thickness; pumice, rare blocky shards, and rare bubble-wall shards. In grey sand overlying diamict and associated with sand wedge. Field name 1502a
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
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