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Text Description: Tephra present in several cores from Shilak Lake, at a depth of 16-26 cm in individual cores depending on localized sedimentation rates. References:  A 500-year-long record of tephra falls from Redoubt volcano and other volcanoes in upper Cook Inlet, Alaska Paleomagnetic investigations of seismic and volcanic activity recorded in the sediments of Skilak Lake, Alaska |
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