2.2.2 spase://SMWG/Observatory/Ground/WDC World Data Center Ground Data Master Catalog WDC Ground Observatories WDC 2012-04-12T12:34:56.789 A collection of World Data Center (WDC) ground observatories spase://SMWG/Person/Lee.Frost.Bargatze MetadataContact World Data Center Geomagnetism Edinburgh http://www.wdc.bgs.ac.uk/index.html Information about the WDC for Geomagnetism in Edinburgh. Earth.Surface