20220418 21200200 1.0 TRUE 2006 National Land Cover Data National Land Cover Database 2006 (NLCD2006) is a 16-class land cover classification scheme that has been applied consistently across the conterminous United States at a spatial resolution of 30 meters. NLCD2006 is based primarily on the unsupervised classification of Landsat Enhanced Thematic Mapper+ (ETM+) circa 2006 satellite data. It was created by the Multi-Resolution Land Characteristics Consortium. For more information visit <a href="http://www.mrlc.gov/"> their website</a>.