SILVER SPRING B&O RAILROAD OPEN HOUSE DECEMBER 2 @ 10:00 AM - 3:00 PM Free https://www.sourceofthespring.com/event/silver-spring-bo-railroad-open-house/?utm_source=Source+of+the+Spring&utm_campaign=7757210fe8-MailChimp+Weekly+Newsletter&utm_medium=email&utm_term=0_3a70a66830-7757210fe8-74383421&mc_cid=7757210fe8&mc_eid=235fcc7050