Cross sections of cut or dead trees from a single region are compared and the tree-ring patterns are matched. Seasonal conditions affect annual tree growth, causing all trees of the same species within a given geographical region to have the same tree-ring pattern. The evidence might be within a site (even within stratum) or at different sites.ĭendrogeomorphical Analysis of Earthwork Stability at Poverty Point Compares evidence found in one place to other places to determine relative age.
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