1. A dry stone wall.
2. A long low dam.
3. A bank of earth from an excavation
. 4. An earth embankment which acts as a cofferdam for keeping water out of an excavation.
1. A dry stone wall.
2. A long low dam.
3. A bank of earth from an excavation
. 4. An earth embankment which acts as a cofferdam for keeping water out of an excavation.