In the 1970s, when the Upstate region of South Carolina was known as the textile capital of the world, Adolphus Jones would clock in for grueling summer shifts at one of the many mills in Union, his hometown. Trains roared around him, transporting materials around the country. Chimney stacks on the red brick mills stretched dozens of feet high, like flagpoles. This was textile country, and the South Carolina cities of Union, Spartanburg and Greenville were at the heart of it.