> How were these structures dated? The study [0] mentions that they dated charcoal that they have reason to believe was contemporaneous. [0] https://journals.

> How were these structures dated? The study [0] mentions that they dated charcoal that they have reason to believe was contemporaneous. [0] https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0277927 https://journals.plos.org/plosone/article?id=10.1371/journal...