The   ungeon
of StoneBridge and Rivermoore
 8, 0 = Entry/Exit: StoneBridge.
15, 5 = Entry/Exit: Rivermoore.
 4, 0 = One half of quest item found here.
12,14 = One half of quest item found here.
 8, 4 = Bring both quest items here
  to complete the quest.

Please NOTE: If you gate out,
you will end up at the Stonebridge/Gideon gate.

If anyone finds a mistake on this map,
please let me know :)