2001. National Atlas of the United States. The Bathymetric Shaded Relief of North America map layer shows depth ranges using colors, with relief enhanced by shading. The image was derived fr... National Atlas of the United States.
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2001. National Atlas of the United States. The Bathymetry of North America map layer shows depth ranges using colors. The image was derived from the National Geophysical Data Center's ETOPO2... National Atlas of the United States.
2001. U.S. Census Bureau. Geography Division and Environmental Systems Research Institute (Redlands, Calif.). U.S. 107th Congressional Districts represents political boundaries for the U.S. 107th Congressional Districts. ESRI.
2001. Geological Survey (U.S.) and Environmental Systems Research Institute (Redlands, Calif.). U.S. National Atlas Airports represents airports in the United States, Puerto Rico, and U.S. Virgin Islands with airport passenger enplanements of ... ESRI.
2001. Smithsonian Institution. Global Volcanism Program, Geological Survey (U.S.), and Environmental Systems Research Institute (Redlands, Calif.). U.S. National Atlas Volcanoes represents volcanoes thought to be active in the last 10,000 years, in and near the United States. The data are a sub... ESRI.
2001. United States. Minerals Management Service. This polygon shapefile shows the official protraction diagram (OPD) and leasing map boundaries for the United States, covering areas of the Outer C... Geological Survey (U.S.).
2001. National Atlas of the United States and the United States Geological Survey and Environmental Systems Research Institute (Redlands, Calif.). United States Airports is a point theme representing airports in the United States, Puerto Rico, U.S. Virgin Islands, and U.S. Possessions with air... Esri.
2001. Department of Commerce, Census Bureau, Geography Division. U.S. 107th Congressional Districts represents political boundaries for the U.S. 107th Congressional Districts. Environmental Systems Research Institute, Inc. (ESRI).