On most mornings, San Juanita Rivas drives herself to the Dawson County Senior Citizens Center.She volunteers there Monday through Friday by delivering Meals on Wheels to housebound senior citizens. She delivers between 25 and 35 meals each day five days a week.The center relies on four volunteers to deliver meals to residents in Lamesa every day and three times a week to those living in Welch. They are supplied with the center’s vehicles to make the trips.“We try to have every meal delivered by noon,” said Tammy Vidal, the center’s director. “Each route takes about an hour.”Not all drivers can ...