agINFRA Soil Vocabulary GEneral Multilingual Environmental Thesaurus Source
http://vocabularies.aginfra.eu/soil#SoilLayer http://www.eionet.europa.eu/gemet/concept/7866 LOOM
http://vocabularies.aginfra.eu/soil#SoilProfile http://www.eionet.europa.eu/gemet/concept/7882 LOOM