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Text Description: 10 to 15 cm thick; pumice with rare blocky grains; in colluvial interbedded gravel and sand; overlies Klondike Gravel; field name 699a. References:  Statistical review of the Alaska salmon fisheries, part II: Chignik to Resurrection Bay Gold Run Tephra: a middle Pleistocene stratigraphic and paleoenvironmental marker across west-central Yukon Territory, Canada A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory |
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