GCMD Keyword Valids	Link (CSV Format)
Earth Science and Earth Science Services	http://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csv
Data Centers	http://gcmdservices.gsfc.nasa.gov/static/kms/providers/providers.csv
Projects	http://gcmdservices.gsfc.nasa.gov/static/kms/projects/projects.csv
Instruments	http://gcmdservices.gsfc.nasa.gov/static/kms/instruments/instruments.csv
Platforms	http://gcmdservices.gsfc.nasa.gov/static/kms/platforms/platforms.csv
Locations	http://gcmdservices.gsfc.nasa.gov/static/kms/platforms/platforms.csv
Horizontal Data Resolution	http://gcmdservices.gsfc.nasa.gov/static/kms/horizontalresolutionrange/horizontalresolutionrange.csv
Vertical Data Resolution	http://gcmdservices.gsfc.nasa.gov/static/kms/verticalresolutionrange/verticalresolutionrange.csv
Temporal Data Resolution	http://gcmdservices.gsfc.nasa.gov/static/kms/temporalresolutionrange/temporalresolutionrange.csv
URL Content Types	http://gcmdservices.gsfc.nasa.gov/static/kms/rucontenttype/rucontenttype.csv
Chronostratigraphic Units	http://gcmdservices.gsfc.nasa.gov/static/kms/chronounits/chronounits.csv