Oyg's Map of
Thrull {1-50}

                         +
                         |
                         +
                       H |
                       |\|          Citadel  
                       + +           of the  
                     + |           Overlords  
                     |\|               4
                     | +--+          M |
                     |              /  x
               +--+--H--+--+--+--+-@---P
                  |  |  |         /|
            +--+--+--+--+--+---+ D +
            |        |        /
            +        +       +
           /    +   / +      |
          +     |  +  |      |
          |     o  |  o      |
          +--+--+--+--+---+--+
          |  o     |      o  |
          +  |     +      |  +
         /   +    /       + /
        +  +o-+  +  S  + A-+
        |  o     |  |  o   |
        +--+--+--+--+--+---+
        |     o  |     o   |
        +     +  |     +   |
        |        |         |
        +  + CP--+         +
       /  /     /         /
      +--S     +--B   W--+
      | o      |         |
      +/ RG F  +  S  S S-+
      %  |  |  |  |  |   |
     /+--+--+--+--+--+---+
    3          |
   Rats        +
   Lair        |
               +
               |
               +--1 Thieves' Crescent      
               |
               |    +
               |    |
               +----+----+
               |    |    |
               |    |    |
               +----+----+
               |    |    |
               |    |    |
               +----+----+
               |    |    |
               |    |    |
               +----+----+
               |      
               2      
          Crystalmir  
             Lake  

1 = Thieves' Crescent Road (East Part) {all}
2 = Crystalmir Lake {5-45}
3 = The Rats Lair {4-15}
4 = Citadel of the Overlords {50-99}