Categories Background Percent population change, by census tract, 1970-1976 Post author By Steve Johnston Post date March 16, 2013 – Source: “Atlas of Charlotte-Mecklenburg.” James W. Clay, ed. Charlotte: University of North Carolina at Charlotte, 1981. Posted March 16, 2013 ← Truck delivery times, 1986 → Reach of sewer and water utilities, 1978