Posted: 06/06/2014 at 13:25
Go to a Farm Outlet type emporium and buy yourself a couple of Mole traps, the scissors type. Try to find a run by probing the ground and set the trap in the run. Wear gloves as they can smell your hands on the trap. In an area that size you will only have one mole by the way, they are solitary animals.
As for the soil, then yes collect up the stones and glass and if you can sieve out the majority of them from the soil.
Hard work, but it is possible, we sifted over 200 tons of soil to clean it up.