_:vb50806970	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50806969 .
_:vb50806971	<http://www.w3.org/ns/r2rml#column>	"messtischblatt_name" .
_:vb50806969	<http://www.w3.org/ns/r2rml#constant>	<http://rs.tdwg.org/dwc/terms/georeferenceSources> .
_:vb50806971	<http://www.w3.org/ns/r2rml#language>	"de" .
_:vb50806970	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50806971 .