Printed from: https://www.conservationhandbooks.com/dry-stone-walling/retaining-walls-and-stone-hedges/retaining-walls/
Most retaining walls are built to a similar design to free-standing walls. They are made up of horizontal layers of face stones, wedged and packed with smaller stone fillings, and have a batter which tapers from wide at the base to narrow at the top. The diagram shows the two main variations within this ‘standard’...