Indeed, the error is reproducible. Just tried again, again the games freezes after I hit End turn on turn 88. Turn number changes to 89, but the End turn button changes color and the game hangs. Here are two savegames
http://dl.dropbox.com/u/5117968/1%202.EleSav
http://dl.dropbox.com/u/5117968/2.EleSav
A memory dump was, however, not generated. At least there is no such file in the directory where all earlier dumps are found (C:\Dokumente und Einstellungen\All Users\Anwendungsdaten\Stardock\Elemental - War of Magic)