W 20 Shelf, rising to 5 ' above water level
 
T4 Nodes of Elemental Evil 1 2 3 4 5 6 7 8 9 10
T1-4 Temple of Elemental Evil 11 12 13 14 15 16 17 18 19 20
1eo 21 22 23 24 - - - - - -