Loading view. There were no results found. There were no results found. Marvin Thomas Room at East Columbia Branch, Howard County Librar Events Venues Marvin Thomas Room at East Columbia Branch, Howard County Librar 6600 Cradlerock Way Columbia, MD 21045 Get Directions Events at this venue Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file