Search Results
2014. National Atlas of the United States. This point shapefile represents airports in the United States, Puerto Rico, and the Virgin Islands. This layer includes 1:1 million scale data from... National Atlas of the United States.
2014. National Atlas of the United States. This point shapefile includes Global Map data showing cities and towns in the United States, Puerto Rico, and the U.S. Virgin Islands. The data are... National Atlas of the United States.
2002. EROS Data Center. The grayscale Alaska shaded relief data were derived from National Elevation Dataset (NED) data, and show the terrain of Alaska at a resolution of ... National Atlas of the United States.
2002. EROS Data Center. The grayscale Alaska shaded relief data were derived from National Elevation Dataset (NED) data, and show the terrain of Alaska at a resolution of ... National Atlas of the United States.
2002. EROS Data Center. The grayscale conterminous United States shaded relief data were derived from National Elevation Dataset (NED) data, and show the terrain of the co... National Atlas of the United States.
1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, and 2002. EROS Data Center. The grayscale North America shaded relief data were derived from the GTOPO30 elevation data. GTOPO30 is a global digital elevation model (DEM) with... National Atlas of the United States.
2001, 2002, 2003, 2004, 2005, 2006, and 2007. National Atlas of the United States. This polygon shapefile portrays the hazardous waste generated, shipped, and received by state and other areas within the United States, Puerto Rico... National Atlas of the United States.
2006. National Atlas of the United States. This polygon shapefile shows Indian lands of the United States. Only areas of 640 acres or more are included. Federally-administered lands within a... National Atlas of the United States.
2011. World Data Center for Paleoclimatology and NOAA Paleoclimatology Program (U.S.). This line shapefile represents the extent of glaciers during the late Wisconsin glaciation (also known as the Last Glacial Maximum, about 20,000 ye... World Data Center for Paleoclimatology.
2011. World Data Center for Paleoclimatology and NOAA Paleoclimatology Program (U.S.). This line shapefile represents the Late Wisconsinan glacier linits (extent). Pleistocene glaciers once covered >1,200,000 km2, from the continen... World Data Center for Paleoclimatology.