Biota Cultural Resources Governmental Units, and Administrative and Statistical Boundaries Transportation Climate and Weather Elevation Geology Imagery Water – Inland Water – Oceans and Coasts Cadastre Real Property Utilities NGDA NGDA Portfolio Themes National Geospatial Data Asset http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode theme 005 theme NGDA Portfolio Themes 2010-02-01 http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode revision 003 revision http://www.fgdc.gov/initiatives/resources/2013-2-1-ngda-data-themes-fgdc-sc-revised.pdf