Description: Dendrochronology sample from a Douglass Fir dating from the pith at A.D. 1013 to the outside ring at A.D. 1120. The ring marked "1064" is the most commonly accepted date for the eruption of the Sunset Crater volcano.
Dimensions: 6.75 in (L), 1 in (Th).
Collection: On display at the Sunset Crater Volcano National Monument Visitor Center (catalog card).
Jamie Frees, Northern Arizona University Anthropology Laboratories