This three page PDF file contains a complete list of all the terrain included in the Master Sets, Large Expansion Sets, and even the Small Expansion Sets. This file is useful when building/designing maps to use only specified terrain. My thanks go out to Soul Shackle and ChaosChild for their great threads, which is really where all of this data came from.
UDATED 9/02/2010: Now includes all terrain through Wave D 2: Warriros of Ebberon. Also, fixed discrepencies in tile listings. (Thanks odbo255.)