<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:ns0="dcterms:" xmlns:owl="http://www.w3.org/2002/07/owl#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:dct="http://purl.org/dc/terms/" xmlns:obo_purl="http://purl.obolibrary.org/obo/">
<owl:DatatypeProperty rdf:about="http://rs.tdwg.org/dwc/terms/verticalDatum">
<rdfs:label>Vertical Datum</rdfs:label>
<rdfs:domain rdf:resource="http://purl.org/dc/terms/Location"/>
<rdfs:isDefinedBy>http://rs.tdwg.org/dwc/terms/</rdfs:isDefinedBy>
<rdfs:comment>The vertical datum used as the reference upon which the values in the elevation terms are based.</rdfs:comment>
<obo_purl:IAO_0000112>`EGM84`, `EGM96`, `EGM2008`, `PGM2000A`, `PGM2004`, `PGM2006`, `PGM2007`, `epsg:7030`, `unknown`</obo_purl:IAO_0000112>
<ns0:description>Recommended best practice is to use a controlled vocabulary.</ns0:description>
</owl:DatatypeProperty>
</rdf:RDF>
<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:ns0="dcterms:" xmlns:owl="http://www.w3.org/2002/07/owl#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:dct="http://purl.org/dc/terms/" xmlns:obo_purl="http://purl.obolibrary.org/obo/">
<owl:DatatypeProperty rdf:about="http://rs.tdwg.org/dwc/terms/verticalDatum">
<rdfs:label>Vertical Datum</rdfs:label>
<rdfs:domain rdf:resource="http://purl.org/dc/terms/Location"/>
<rdfs:isDefinedBy>http://rs.tdwg.org/dwc/terms/</rdfs:isDefinedBy>
<rdfs:comment>The vertical datum used as the reference upon which the values in the elevation terms are based.</rdfs:comment>
<obo_purl:IAO_0000112>`EGM84`, `EGM96`, `EGM2008`, `PGM2000A`, `PGM2004`, `PGM2006`, `PGM2007`, `epsg:7030`, `unknown`</obo_purl:IAO_0000112>
<ns0:description>Recommended best practice is to use a controlled vocabulary.</ns0:description>
</owl:DatatypeProperty>
</rdf:RDF>