I attempted this quest before I'd really explored any of the Abandoned Mines. I didn't have a clue where any of the tunnels were, and I found myself wandering about aimlessly for ages and finally got killed by Lur'tai as I ran into him by accident.
I wouldn't recommend this quest unless you know where you're going.
East track three is the long horizontal one bottom right and can be accessed by heading east from the top of the ramp towards Tepok's, south towards Keltoi and it's the road to the west towards Cordova. You'll have to go back the way you came otherwise you'll run into Lur'tai.
West track two is the long horizontal one bottom left, but doesn't appear to be connected to East Track Three. It can be accessed from uptairs heading south towards Mithra then it's the road to the west towards Glasthin Forge, or from the bottom heading west towards Stonehenge, South towards Glashtin Forge then it's to the east towards Mithra. There aren't any scary aggro monsters on the West tracks as far as I could tell.
Edited, Fri May 6 09:17:35 2005