![Jessica defending her dissertation via Skype call](https://www.colorado.edu/anthropology/sites/default/files/styles/medium/public/article-image/screenshot_2.jpg?itok=-QuAPQ1n)
Jessica Balkin completed a successful defense of her doctoral dissertation! Human-Environment Interactions in the Lower Río Verde Valley, Oaxaca, Mexico: The Impacts of Ecological Change on Settlement Patterning (1800 BCE-CE 1522). A huge congratulations to Jessica and her advisor Art Joyce.