Began in 2009. Natural Earth is a public domain map data set available at 1:10m, 1:50m, and 1:110m scales, featuring vector and raster data. Primar... North American Cartographic Information Society.
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1992. Wade, Tim. This raster layer is a 540 meter resolution grid map of the conterminous United States in GeoTIFF format, created from National Land Cover Data (NL... National Atlas of the United States.
1992 and 1993. Ritters, Kurt. This raster layer is a grid map of North America including the Caribbean and most of Mexico in GeoTIFF format. The map layer is an excerpt from a g... National Atlas of the United States.
2002. United States. Forest Service and Geological Survey (U.S.). This raster layer portrays general forest cover types for the United States in GeoTIFF format. Data were derived from Advanced Very High Resolution... National Atlas of the United States.
1992 and 1993. Geological Survey (U.S.). This raster layer is a georeferenced grid map image of land cover characteristics for North America, excluding Hawaii, and including the Caribbean ... Geological Survey (U.S.).
2001. Geological Survey (U.S.). This raster layer is a georeferenced image containing impervious surface data for Alaska. Data are in an Albers Equal-Area Conic projection and hav... Geological Survey (U.S.).
2001. Geological Survey (U.S.). This raster layer is a georeferenced image containing land cover data for Alaska, in an Albers Equal-Area Conic projection and at a resolution of 1... Geological Survey (U.S.).
2013. Geological Survey (U.S.). This layer is a georeferenced raster image representing a natural-earth image of Alaska. The image is land cover in natural colors combined with sh... National Atlas of the United States.
1992. Geological Survey (U.S.). This raster layer is a georeferenced image of 1992 land cover for the conterminous United States, at a resolution of 200 meters. The map layer was ... Geological Survey (U.S.).
1992. Wade, Tim. This raster image is a 270-meter resolution grid map of the conterminous United States in GeoTIFF format, created from National Land Cover Data (NL... National Atlas of the United States.