The Medford Public Library invites you to “The Four Billion Year Story of Medford” with geologist Eamon McCarthy Earls.

Vanished continents? Volcanoes? Dinosaurs? Glaciers? Discover the incredible four billion year true story of our community from the formation of Earth to the present day. Author of multiple books on regional history and a former town councilor in Franklin, Massachusetts, Earls studied geology at UMASS-Amherst.

Register via the library’s online calendar: https://www.eventkeeper.com/code/ekform.cfm?curOrg=MEDFORD&curID=491444