I am battling moles this spring.  After a bit of internet research I have decided to drive the moles away by eliminating there food.  Rumor has it that moles eat grubs and if the grubs don't exist the moles will move on.  So I applies a healthy dose of Grubex and we will see how it goes, time will tell.  If that doesn't work I may try sonic systems or death!  It's me against the mole!