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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.
2001. Geological Survey (U.S.). This raster layer is a georeferenced image containing tree canopy data for Alaska, in an Albers Equal-Area Conic projection and at a resolution of ... Geological Survey (U.S.).
2014. National Atlas of the United States. This line shapefile includes Global Map data showing the coastline of the United States, Puerto Rico, and the U.S. Virgin Islands. The United State... National Atlas of the United States.
2013. National Atlas of the United States. This polygon shapefile contains combined statistical areas in the United States and Puerto Rico. Combined statistical areas consist of two or more ... National Atlas of the United States.
2014. Geological Survey (U.S.). This line shapefile shows elevation contour lines for Alaska. The map layer was derived from the 100-meter resolution elevation data set which is p... National Atlas of the United States.
2014. Geological Survey (U.S.). This line shapefile shows elevation contour lines for the conterminous United States. The map layer was derived from the 100-meter resolution eleva... National Atlas of the United States.
2013. National Atlas of the United States. This polygon shapefile contains core based statistical areas in the United States and Puerto Rico. The map layer was created from the CENSUS 2010 T... National Atlas of the United States.
2014. Geological Survey (U.S.). This polygon shapefile contains the county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands, by showing the counties as ar... Geological Survey (U.S.).
2014. Geological Survey (U.S.). This polygon shapefile contains the county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. This layer was derived from t... Geological Survey (U.S.).
2014. National Atlas of the United States. This polygon shapefile consists of National Wilderness Preservation System areas of 320 acres or more, in the United States, Puerto Rico, and the U... National Atlas of the United States.