HAPPENIN’ OTSEGO for THURSDAY, MARCH 28 Otsego County Railroad History RAILROAD—10 a.m. “The Cooperstown and Charlotte Valley Railroad.” An audio-visual documentary presented by author/historian Jim Loudon. Rescheduled from 2/29. Springfield Community Center, 129 County Highway 29A, Springfield Center. (315) 858-5802 or visit http://libraries.4cls.org/springfield/…