Traditional land drains are subsurface channels originally installed to manage water runoff in agricultural areas. Their purpose is to stop waterlogging in fields and around buildings. These systems typically used stone-filled trenches rather than the plastic or metal materials seen today. Despite their simplicity, they served their purpose for decades. https://chimney-accessory54196.blogolize.com/h1-understanding-old-land-drains-h1-77468896