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Lab number
WSU-2714
Material dated
shell
Taxa dated
freshwater
Type of date
Geological
Locality
Malheur
Date uploaded
January 17, 2024
Updater
Wyoming team
Date updated
December 31, 2020
Measured Age
13326 ± 185
Context
Shells found stratigraphically below Mt. St. Helens set Sg tephra in Missoula Flood rhythmites in Yakima Valley (Baker and Bunker 1985; Waitt 1985)
Additional information
radiometric

References