...and if this has you thinking, "Geez, next spring I've really got to do something about my mole problem," these will work much better than traps.
Yup, pinwheels. Get relatively beefy ones, such as linked above. Spike 'em about 6" down in the interior of the moles' range; if there's a "hard transition edge" to their range -- such as as where lawn meets driveway or sidewalk -- put a couple along that edge. Within a week, the thrumming vibrations will aggravate the moles to the point of relocating.