Dr. Stephen Norton, professor emeritus of the UMaine School of Earth and Climate Sciences, will lead a walk on Ragged Mountain to explore the geology of Bald and Ragged mountains on Saturday, November 4, from 10 a.m. until noon. Participants will meet in the parking lot of the Camden Snow Bowl. This is the last Coastal Mountains Nature Program of the 2017 season, a series of hosted walks and talks exploring the natural history of midcoast Maine sponsored by Coastal Mountains Land Trust and the Camden Conservation Commission.