Gray (5YR 5/1) silt loam; Devil tephra; powdery; numerous small charcoal fragments, abrupt lower contact. Originally reported in Dilley (1988)
Holocene volcanism and human occupation in the middle Susitna River Valley, Alaska
This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G19AC00060 and G19AC00171.
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.