Originally posted by magelord01:

Any stone pile or wood stack that you've built yourself can simply be dismantled like all other structures you build, and you get a full refund on resources, too! Just deploy your hammer and then click the middle mouse button (i.e. the scroll wheel) to instantly dismantle it! These stone piles and wood stacks are a FANTASTIC way to store 50 stone or 50 wood at a time, without having them clutter up your chests!

Like you would even want to pickaxe or chop them....common sense, place it with hammer remove it with hammer. LOL