2001. Geological Survey (U.S.) and Environmental Systems Research Institute (Redlands, Calif.). U.S. National Atlas Urbanized Areas represents urban areas in the United States derived from the urban areas layer of the Digital Chart of the Worl... ESRI.
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1998. National Atlas of the United States and the United States Geological Survey. U.S. National Atlas Urbanized Areas represents urban areas in the United States derived from the urban areas layer of the Digital Chart of the Worl... Environmental Systems Research Institute, Inc. (ESRI).
1998. National Atlas of the United States and the United States Geological Survey. U.S. National Atlas Urbanized Areas represents urban areas in the United States derived from the urban areas layer of the Digital Chart of the Worl... Environmental Systems Research Institute, Inc. (ESRI).
2015. United States Geological Survey and Esri. U.S. National Atlas Urbanized Areas represents urban areas in the United States. Urban areas are places that represent densely developed territory,... Esri.
1993. Smithsonian Institution, Global Volcanism Program, National Atlas of the United States, and the United States Geological Survey, Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). U.S. National Atlas Volcanoes represents volcanoes thought to be active in the last 10,000 years, in and near the United States. Environmental Systems Research Institute, Inc. (ESRI).
1993. Smithsonian Institution, Global Volcanism Program, National Atlas of the United States, and the United States Geological Survey. U.S. National Atlas Volcanoes represents volcanoes thought to be active in the last 10,000 years, in and near the United States. Environmental Systems Research Institute, Inc. (ESRI).
1993. Smithsonian Institution, Global Volcanism Program, National Atlas of the United States, and the United States Geological Survey. U.S. National Atlas Volcanoes represents volcanoes thought to be active in the last 10,000 years, in and near the United States. Environmental Systems Research Institute, Inc. (ESRI).
2005. Smithsonian Institution, Global Volcanism Program, National Atlas of the United States, and the United States Geological Survey. U.S. National Atlas Volcanoes represents volcanoes thought to be active in the last 10,000 years (Holocene), in and near the United States. The dat... ESRI.
National Atlas of the United States and the United States Geological Survey, Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). U.S. National Atlas Water Feature Areas represents the water feature areas (e.g., bays, glaciers, lakes, and swamps) of the United States. Environmental Systems Research Institute, Inc. (ESRI).
1995. National Atlas of the United States and the United States Geological Survey. U.S. National Atlas Water Feature Areas represents the water feature areas (e.g., bays, glaciers, lakes, and swamps) of the United States. Environmental Systems Research Institute, Inc. (ESRI).