最終更新日：2025/11/28
The team mapped Aftonian terraces along the river, interpreting them as remnants of an early North American interglacial interval between the Kansan and Nebraskan glacial periods.
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The team mapped Aftonian terraces along the river, interpreting them as remnants of an early North American interglacial interval between the Kansan and Nebraskan glacial periods.
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