Its interesting how you get to know the land below you as a farmer. We had prehistoric chalk below our soil at my brothers farm, from ancient corall reefs. Over

Its interesting how you get to know the land below you as a farmer. We had prehistoric chalk below our soil at my brothers farm, from ancient corall reefs. Over that were some sanddunes, and on top of that the actual soil layer. Add to that some forgotten "landfills" of the 70s and you got a interesting underground plowing experience.