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).
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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).
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 Lines represents the linear water features (e.g., aqueducts, canals, intercoastal waterways, and streams) of the ... Environmental Systems Research Institute, Inc. (ESRI).
1997. Bureau of Transportation Statistics, Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). U.S. National Transportation Atlas Highways represents rural interstates and arteries; and urban freeways, expressways, interstates, arteries and c... Environmental Systems Research Institute, Inc. (ESRI).
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts the locations of 394 authorized Park Service units in the United States only that are over 100,000 acres. The data doe... North American Cartographic Information Society.
1990. Environmental Systems Research Institute, Inc. (ESRI) and Harvard Geospatial Library. U.S. Populated Place Points represents populated places within United States identified by the U.S. Bureau of the Census. Environmental Systems Research Institute, Inc. (ESRI).
2010. Tele Atlas North America, Inc. and Environmental Systems Research Institute (Redlands, Calif.). U.S. State Boundaries represents the boundary lines of the states of the United States. ESRI.
2011. TomTom North America, Inc. and Environmental Systems Research Institute (Redlands, Calif.). U.S. State Boundaries represents the boundary lines of the states of the United States. Esri.
2010. TomTom North America, Inc and Environmental Systems Research Institute (Redlands, Calif.). This line shapefile represents the boundary lines of the states of the United States at 1:100,000 scale. This layer is part of the 2014 ESRI Data a... Environmental Systems Research Institute (Redlands, Calif.).
2010. Tele Atlas North America, Inc. and Environmental Systems Research Institute (Redlands, Calif.). U.S. States represents the 50 states, the District of Columbia, and Puerto Rico of the United States. ESRI.