OGC Definitions Service (Beta)

http://www.opengis.net/def/verticalDatumType/OGC/1.0

http://www.opengis.net/def/verticalDatumType/OGC/1.0

label http://www.opengis.net/def/verticalDatumType/OGC/1.0 more like this
type
Collection
is primary topic of 1.0
same as
1.0
same as 1.0