_:vb1988722	<http://www.w3.org/2000/01/rdf-schema#label>	"The datasets contain the results of aeromagnetic surveys from the CASE program as well as cooperation projects (PMAP, NARES & NOGRAM), which were obtained with helicopters or fixed-wing aircraft in the Arctic."@de .
_:vb1988722	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://purl.org/dc/terms/ProvenanceStatement> .