HAPPENIN’ OTSEGO for SATURDAY, JULY 29 Discover Nature And Local History On Fun Train Ride TRAIN RIDES—1 p.m. Nature discovery and appreciation on the “Mink Creek Local” over railway bridges and into the “Great Cedar Swamp.” Learn the history of the local railway built in 1868. Tickets, $20/adult. Richfield Springs Scenic Railway, 168 McKoons Road, Richfield Springs. (315) 717-5969 or visit https://www.facebook.com/richfieldspringsscenicrailway LAURENS COMMUNITY DAY – 8 a.m. to 2 p.m. Featuring yard sales throughout the village, Bubblemania at 11 a.m., make…