The Medford Historical Society & Museum presents "Deep Time: The Early Archaeology of Medford and Greater Boston," a program at the library with Suanna Crowley. Known as “Dr. Dirt,” Crowley is a geoarchaeologist and researcher who has worked across the globe – but lives right here in Medford. Her work is focused on the dynamic environmental and climatic processes that preserve the archaeological record. This landscape legacy shapes and informs our understanding of the complex history of the Indigenous peoples…