Free, informal oral history conversation about the distinctive fieldstone pillars and walls found in Ridgefield. A monthly series presented by the Ridgefield Historical Society, this meeting will take place Tuesday, Jan. 20, at 10 a.m. at the Scott House, 4 Sunset Lane, Ridgefield. Assistant town historian Betsy Reid will present the topic. All are welcome, whether to contribute information or just listen to the conversation. Registration is requested, because of limited seating.