Added missing exclave of Pickens County.

Updated descriptions of roads in the area of Beaverdam Creek, including the addition of several bridges on roads that cross it.

Moved hamlet Possum Kingdom for visibility's sake and added elevation.

Moved hamlet Possum Kingdom to a place where hopefully its name can now be read.

Added a missing place. Evidence that this is a real place can be found at https://duckduckgo.com/?q=possum+kingdom+greenville+county+sc&atb=v219-1&ia=web and the name Possum Kingdom, although it applies to a wider area of far southwestern Greenville Count