en2015-08-18 17:37 PM CESThttp://inspire.ec.europa.eu/codelist/LayerTypeValue/subSoil:1http://inspire.ec.europa.eu/codelist/LayerTypeValue/subSoilNatural soil material below the topsoil and overlying the unweathered parent material.SOURCE ISO 11074 NOTE The subsoil can be: (i) a grouping of one to several horizons underlying the horizons with recent humus accumulation from humifying biomass or (ii) a domain of a soil with a specific vertical extension starting well below the soil surface (e.g. 15-75 cm).