2026-09-27T02:24:28+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object957793887ARD MARKSYThe subsoil traces of prehistoric cultivation, presumed to have been caused by the use of an ard to till the soil.1P