Old land drains are subsurface channels originally installed to control excess moisture in agricultural areas. Their purpose is to divert surplus water 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 were effective for decades. https://levelinverts94792.blogprodesign.com/59677849/h1-what-are-old-land-drains-h1