While they don't have SC in their list of state facilities, Gaffney does appear on their maps, such as this one from 1960: http://long-lines.net/places-routes/m

While they don't have SC in their list of state facilities, Gaffney does appear on their maps, such as this one from 1960: http://long-lines.net/places-routes/maps/MW6003.html http://long-lines.net/places-routes/maps/MW6003.html Perhaps you should send them your photo.