Dr. Erina Gruner is a Project Director at Desert Archaeology, Inc. Her research interests include mobility, ethnicity, and exchange in the American Southwest, with a focus on the Chaco periphery, Tucson Basin, and any other intriguing region that she is currently digging holes in. Her most current fixation is the Early Agricultural Period origins of Coastal Pacific-Desert Southwestern shell trade routes. This webinar is based on her doctoral dissertation research at Binghamton University.