Russian video showing the way humans industrially harvest peat, which is used in potting soils. The process in the US and Canada is similar. Not many people realize what it takes to obtain this material. The first step is draining the wetland so that large vacuums can get to the peat.
http://www.youtube.com/watch?v=rIrUkr5F9aE
http://www.youtube.com/watch?v=rIrUkr5F9aE