Occurs at elevations of 1-2 m above water level at west and east limits of Palisades East, but ~14 m above water level in the central bluff area. Occurs stratigraphically below the lower peat and is laterally more traceable than PA tephra samples.
Late Pliocene to late Pleistocene environments preserved at the Palisades Site, central Yukon River, Alaska
The Dawson Cut Forest Bed in the Fairbanks area, Alaska, is about two million years old
The Palisades is a key reference site for the middle Pleistocene of eastern Beringia: new evidence from paleomagnetics and regional tephrostratigraphy
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